Diagnostic Trouble Codes with Diagnostics (N52): Other — BMW 3 series E46 facelift (2001-2006)

MSV70 ENGINE OPERATING SYSTEM DTCS

MSV70 ECM applies to N52 engine.

DTC	Description
DTC P0010	'A' Camshaft Position - Actuator Circuit/Open (Bank 1) (SIG)
DTC P0012	'A' Camshaft Position - Actuator Circuit/Open (Bank 1) (PLAUS)
DTC P0013	'B' Camshaft Position - Actuator Circuit/Open (Bank 1) (SIG)
DTC P0015	'B' Camshaft Position - Timing Over-Retarded (Bank 1) (PLAUS)
DTC P0016	Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) (MIN)
DTC P0017	Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B) (MIN)
DTC P0030	HO2S Heater Control Circuit (Bank 1 Sensor 1) (SIG)
DTC P0031	HO2S Heater Control Circuit Low (Bank 1 Sensor 1) (MIN)
DTC P0032	HO2S Heater Control Circuit High (Bank 1 Sensor 1) (MAX)
DTC P0036	HO2S Heater Control Circuit (Bank 1 Sensor 2) (SIG)
DTC P0037	HO2S Heater Control Circuit Low (Bank 1 Sensor 2) (MIN)
DTC P0038	HO2S Heater Control Circuit High (Bank 1 Sensor 2) (MAX)
DTC P0040	O2 Sensor Signals Swapped Bank 1 Sensor 1 / Bank 2 Sensor 1 (PLAUS)
DTC P0041	O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2 (PLAUS)
DTC P0050	HO2S Heater Control Circuit (Bank 2 Sensor 1) (SIG)
DTC P0051	HO2S Heater Control Circuit Low (Bank 2 Sensor 1) (MIN)
DTC P0052	HO2S Heater Control Circuit High (Bank 2 Sensor 1) (MAX)
DTC P0053	HO2S Heater Resistance (Bank 1 Sensor 1) (SIG)
DTC P0056	HO2S Heater Control Circuit (Bank 2 Sensor 2) (SIG)
DTC P0057	HO2S Heater Control Circuit Low (Bank 2 Sensor 2) (MIN)
DTC P0058	HO2S Heater Control Circuit High (Bank 2 Sensor 2) (MAX)
DTC P0059	HO2S Heater Resistance (Bank 2 Sensor 1) (SIG)
DTC P0102	Mass or Volume Air Flow 'A' Circuit Low (MIN)
DTC P0103	Mass or Volume Air Flow 'A' Circuit High (MAX)
DTC P0121	Throttle/Pedal Position Sensor/Switch 'A' Circuit Range/Performance (PLAUS)
DTC P0122	Throttle/Pedal Position Sensor/Switch 'A' Circuit Low (MIN)
DTC P0123	Throttle/Pedal Position Sensor/Switch 'A' Circuit High (MAX)
DTC P0131	O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) (MIN)
DTC P0132	O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) (MAX)
DTC P0133	O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) (MAX)
DTC P0135	O2 Sensor Heater Circuit (Bank 1 Sensor 1) (MIN)
DTC P0137	O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) (MIN)
DTC P0138	O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) (MAX)
DTC P0139	O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) (PLAUS)
DTC P0140	O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) (SIG)
DTC P0141	O2 Sensor Heater Circuit (Bank 1 Sensor 2) (MAX)
DTC P0151	O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) (MIN)
DTC P0152	O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) (MAX)
DTC P0153	O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) (MAX)
DTC P0155	O2 Sensor Heater Circuit (Bank 2 Sensor 1) (MIN)
DTC P0157	O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) (MIN)
DTC P0158	O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) (MAX)
DTC P0159	O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) (PLAUS)
DTC P0160	O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) (SIG)
DTC P0161	O2 Sensor Heater Circuit (Bank 2 Sensor 2) (MAX)
DTC P0171	System Too Lean (Bank 1) (MAX)
DTC P0172	System Too Lean (Bank 1) (MIN)
DTC P0174	System Too Lean (Bank 2) (MAX)
DTC P0175	System Too Lean (Bank 2) (MIN)
DTC P0201	Injector Circuit/Open - Cylinder 1 (SIG)
DTC P0202	Injector Circuit/Open - Cylinder 2 (SIG)
DTC P0203	Injector Circuit/Open - Cylinder 3 (SIG)
DTC P0204	Injector Circuit/Open - Cylinder 4 (SIG)
DTC P0205	Injector Circuit/Open - Cylinder 5 (SIG)
DTC P0206	Injector Circuit/Open - Cylinder 6 (SIG)
DTC P0221	Throttle/Pedal Position Sensor/Switch 'B' Circuit Range/Performance (PLAUS)
DTC P0222	Throttle/Pedal Position Sensor/Switch 'B' Circuit Low (MIN)
DTC P0223	Throttle/Pedal Position Sensor/Switch 'B' Circuit High (MAX)
DTC P0261	Cylinder 1 Injector Circuit Low (MIN)
DTC P0262	Cylinder 1 Injector Circuit High (MAX)
DTC P0264	Cylinder 2 Injector Circuit Low (MIN)
DTC P0265	Cylinder 2 Injector Circuit High (MAX)
DTC P0267	Cylinder 3 Injector Circuit Low (MIN)
DTC P0268	Cylinder 3 Injector Circuit High (MAX)
DTC P0270	Cylinder 4 Injector Circuit Low (MIN)
DTC P0271	Cylinder 4 Injector Circuit High (MAX)
DTC P0273	Cylinder 5 Injector Circuit Low (MIN)
DTC P0274	Cylinder 5 Injector Circuit High (MAX)
DTC P0276	Cylinder 6 Injector Circuit Low (MIN)
DTC P0277	Cylinder 6 Injector Circuit High (MAX)
DTC P0300	Random/Multiple Cylinder Misfire Detected (MAX)
DTC P0300	Random/Multiple Cylinder Misfire Detected (MIN)
DTC P0300	Random/Multiple Cylinder Misfire Detected (PLAUS)
DTC P0300	Random/Multiple Cylinder Misfire Detected (SIG)
DTC P0301	Cylinder 1 Misfire Detected (MAX)
DTC P0301	Cylinder 1 Misfire Detected (MIN)
DTC P0301	Cylinder 1 Misfire Detected (SIG)
DTC P0302	Cylinder 2 Misfire Detected (MAX)
DTC P0302	Cylinder 2 Misfire Detected (MIN)
DTC P0302	Cylinder 2 Misfire Detected (SIG)
DTC P0303	Cylinder 3 Misfire Detected (MAX)
DTC P0303	Cylinder 3 Misfire Detected (MIN)
DTC P0303	Cylinder 3 Misfire Detected (SIG)
DTC P0304	Cylinder 4 Misfire Detected (MAX)
DTC P0304	Cylinder 4 Misfire Detected (MIN)
DTC P0304	Cylinder 4 Misfire Detected (SIG)
DTC P0305	Cylinder 5 Misfire Detected (MAX)
DTC P0305	Cylinder 5 Misfire Detected (MIN)
DTC P0305	Cylinder 5 Misfire Detected (SIG)
DTC P0306	Cylinder 6 Misfire Detected (MAX)
DTC P0306	Cylinder 6 Misfire Detected (MIN)
DTC P0306	Cylinder 6 Misfire Detected (SIG)
DTC P0313	Misfire Detected With Low Fuel (MIN)
DTC P0326	Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor) (PLAUS)
DTC P0327	Knock Sensor 1 Circuit Low (Bank 1 or Single Sensor) (MIN)
DTC P0328	Knock Sensor 1 Circuit High (Bank 1 or Single Sensor) (MAX)
DTC P0335	Crankshaft Position Sensor 'A' Circuit (MAX)
DTC P0335	Crankshaft Position Sensor 'A' Circuit (MIN)
DTC P0340	Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor) (MAX)
DTC P0341	Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 1 or Single Sensor) (MAX)
DTC P0344	Camshaft Position Sensor 'A' Circuit Intermittent (Bank 1 or Single Sensor) (MAX)
DTC P0351	Ignition Coil 'A' Primary/Secondary Circuit (MAX)
DTC P0352	Ignition Coil 'B' Primary/Secondary Circuit (MAX)
DTC P0353	Ignition Coil 'C' Primary/Secondary Circuit (MAX)
DTC P0354	Ignition Coil 'D' Primary/Secondary Circuit (MAX)
DTC P0355	Ignition Coil 'E' Primary/Secondary Circuit (MAX)
DTC P0356	Ignition Coil 'F' Primary/Secondary Circuit (MAX)
DTC P0365	Camshaft Position Sensor 'B' Circuit (Bank 1) (MAX)
DTC P0366	Camshaft Position Sensor 'B' Circuit Range/Performance (Bank 1) (MAX)
DTC P0369	Camshaft Position Sensor 'B' Circuit Intermittent (Bank 1) (MAX)
DTC P0370	Timing Reference High Resolution Signal 'A' (MAX)
DTC P0370	Timing Reference High Resolution Signal 'A' (MAX)
DTC P0370	Timing Reference High Resolution Signal 'A' (MIN)
DTC P0373	Timing Reference High Resolution Signal 'A' Intermittent/Erratic Pulses (MAX)
DTC P0420	Catalyst System Efficiency Below Threshold (Bank 1) (MAX)
DTC P0420	Catalyst System Efficiency Below Threshold (Bank 1) (MIN)
DTC P0430	Catalyst System Efficiency Below Threshold (Bank 2) (MAX)
DTC P0430	Catalyst System Efficiency Below Threshold (Bank 2) (MIN)
DTC P0440	Evaporative Emission System (PLAUS)
DTC P0442	Evaporative Emission System Leak Detected (small leak) (MAX)
DTC P0444	Evaporative Emission System Purge Control Valve Circuit Open (SIG)
DTC P0444	Evaporative Emission System Purge Control Valve Circuit Open (SIG)
DTC P0455	Evaporative Emission System Leak Detected (large leak) (MAX)
DTC P0456	Evaporative Emission System Leak Detected (very small leak) (MIN)
DTC P0457	Evaporative Emission System Leak Detected (fuel cap loose/off) (MAX)
DTC P0458	Evaporative Emission System Purge Control Valve Circuit Low (MIN)
DTC P0459	Evaporative Emission System Purge Control Valve Circuit High (MAX)
DTC P0461	Fuel Level Sensor 'A' Circuit Range/Performance (PLAUS)
DTC P0462	Fuel Level Sensor 'A' Circuit Low (MIN)
DTC P0463	Fuel Level Sensor 'A' Circuit High (MAX)
DTC P0506	Idle Air Control System RPM Higher Than Expected (MIN)
DTC P0507	Idle Air Control System RPM Higher Than Expected (MAX)
DTC P0604	Internal Control Module Random Access Memory (RAM) Error (MAX)
DTC P0604	Internal Control Module Random Access Memory (RAM) Error (MIN)
DTC P0686	ECM/PCM Power Relay Control Circuit Low (MIN)
DTC P0687	ECM/PCM Power Relay Control Circuit High (MAX)
DTC P0700	Transmission Control System (MIL Request) (PLAUS)
DTC P1004	VVT-Guiding Sensor Solenoid Loss (Bank 1) (MAX)
DTC P1006	VVT-Guiding Sensor Parity Error (Bank 1) (SIG)
DTC P1012	VVT-Reference Sensor Solenoid Loss (Bank 1) (MAX)
DTC P1014	VVT-Reference Sensor Parity Error (Bank 1) (SIG)
DTC P1017	VVT-Sensors Plausibility (Bank 1) (PLAUS)
DTC P1017	VVT-Sensors Plausibility (Bank 1) (PLAUS)
DTC P1019	VVT-Supply Voltage Sensors High Input (Bank 1) (MAX)
DTC P101A	VVT-Self-Learning Function, Stops Not Learned (MAX)
DTC P101A	VVT-Self-Learning Function, Stops Not Learned (MIN)
DTC P101A	VVT-Self-Learning Function, Stops Not Learned (SIG)
DTC P1020	VVT-Supply Voltage Sensors Low Input (Bank 1) (MIN)
DTC P1023	VVT-Self-Learning Function Faulty Adjustment Range (Bank 1) (MAX)
DTC P1024	VVT-Self-Learning Function Faulty Lower Learning Range (Bank 1) (MIN)
DTC P102B	VVT-Guiding Sensor Diagnostic Error (Bank 1) (MIN)
DTC P102C	VVT-Reference Sensor Diagnostic Error (Bank 1) (MIN)
DTC P1030	VVT-Actuator Monitoring Position Control, Control Deviation (Bank 1) (PLAUS)
DTC P1030	VVT-Actuator Monitoring Position Control, Control Deviation (Bank 1) (SIG)
DTC P103A	VVT-System Current Too High (MAX)
DTC P1041	Internal VVT-Control Module EEPROM Error (Bank 1) (PLAUS)
DTC P1047	VVT-Control Circuit High Input (Bank 1) (MAX)
DTC P1048	VVT-Control Circuit Low Input (Bank 1) (MIN)
DTC P1049	VVT-Control Circuit Engine Cables Short Circuit (Bank 1) (SIG)
DTC P1055	VVT-Supply Voltage Control Motor High Input (Bank 1) (MAX)
DTC P1056	VVT-Supply Voltage Control Motor Low Input (Bank 1) (MIN)
DTC P1057	VVT-Supply Voltage Control Motor Electrical (Bank 1) (PLAUS)
DTC P1062	VVT-Limp Home Request Full Stroke Position not Reached (Bank 1) (SIG)
DTC P1064	VVT-Value Comparison Starting Position/Parking Position Plausibility (Bank 1) (MAX)
DTC P1075	VVT-Overload Protection (Bank 1) (MAX)
DTC P1076	VVT-Overload Protection ECU-Temperature High Input (Bank 1) (SIG)
DTC P1078	VVT-Overload Protection Control Motor Current High Input (Bank 1) (MIN)
DTC P107A	VVT-Overload Protection Control Motor Current Too High (MAX)
DTC P107B	VVT-Overload Protection Control Motor Temperature Too High (MIN)
DTC P107C	VVT-Overload Protection Temperature Too High (MIN)
DTC P107C	VVT-Overload Protection Temperature Too High (SIG)
DTC P1104	Differential Pressure Sensor Intake Manifold Pressure Too Low (Bank 1) (MIN)
DTC P1105	Differential Pressure Sensor Intake Manifold Pressure Too High (Bank 1) (MAX)
DTC P110D	Throttle Position Sensor A and B Range/Performance (PLAUS)
DTC P1124	Differential Pressure Sensor Intake Manifold Offset (Bank 1) (MAX)
DTC P1124	Differential Pressure Sensor Intake Manifold Offset (Bank 1) (PLAUS)
DTC P112C	O2 Sensor Negative Current or Positive Current Control Circuit/Open (Bank 1 Sensor 1) (MIN)
DTC P112C	O2 Sensor Negative Current or Positive Current Control Circuit/Open (Bank 1 Sensor 1) (SIG)
DTC P112D	O2 Sensor Negative Current or Positive Current Control Circuit/Open (Bank 2 Sensor 1) (MIN)
DTC P112D	O2 Sensor Negative Current or Positive Current Control Circuit/Open (Bank 2 Sensor 1) (SIG)
DTC P1130	O2 Sensor Circuit Dynamic Test (Bank 1 Sensor 2) (PLAUS)
DTC P1131	O2 Sensor Circuit Dynamic Test (Bank 2 Sensor 2) (PLAUS)
DTC P114A	Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich (Bank 1) (MAX)
DTC P114B	Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean (Bank 1) (MIN)
DTC P114C	Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich (Bank 2) (MAX)
DTC P114D	Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean (Bank 2) (MIN)
DTC P1197	Differential Pressure Sensor Intake Manifold High Input (Bank 1) (MAX)
DTC P1198	Differential Pressure Sensor Intake Manifold Low Input (Bank 1) (MIN)
DTC P1214	Fuel Pump Speed Too High (MAX)
DTC P1215	Fuel Pump Speed Too Low (MIN)
DTC P1216	Fuel Pump Emergency Operation (SIG)
DTC P1217	Fuel Pump Overtemperature Condition (PLAUS)
DTC P1244	Fuel Pump Emergency Cut-Off (SIG)
DTC P1300	Camshaft Position Sensor 'A' Segment Timing Error (Bank 1) (MAX)
DTC P1301	Ignition Monitoring Cylinder 1 Spark Duration Too Short (MIN)
DTC P1302	Ignition Monitoring Cylinder 2 Spark Duration Too Short (MIN)
DTC P1303	Ignition Monitoring Cylinder 3 Spark Duration Too Short (MIN)
DTC P1304	Ignition Monitoring Cylinder 4 Spark Duration Too Short (MIN)
DTC P1305	Ignition Monitoring Cylinder 5 Spark Duration Too Short (MIN)
DTC P1306	Ignition Monitoring Cylinder 6 Spark Duration Too Short (MIN)
DTC P130A	Camshaft Position Sensor 'B' Segment Timing Error (Bank 1) (MAX)
DTC P1328	Knock Sensor 2 Circuit High Input (Bank 1) (MAX)
DTC P1396	Crankshaft Position Sensor Segment Timing Plausibility (MIN)
DTC P1407	Fuel Level Signal 1 (PLAUS)
DTC P1408	Fuel Level Signal 2 (PLAUS)
DTC P140E	Cylinder Injection Cut-Off, Fuel Level Too Low (PLAUS)
DTC P1413	Secondary Air Injection Pump Relay Control Circuit Signal Low (MIN)
DTC P1414	Secondary Air Injection Pump Relay Control Circuit Signal High (MAX)
DTC P1415	Mass or Volume Air Flow Too Low (MIN)
DTC P1417	Throttle Control Incorrect Air Supply (SIG)
DTC P1424	Mass or Volume Air Flow Too High (MAX)
DTC P1429	Diagnostic Module Tank Leakage (DM-TL) Heater (SIG)
DTC P142A	Crankcase Ventilation Heater Relay - Input High (MAX)
DTC P142B	Crankcase Ventilation Heater Relay - Input Low (MIN)
DTC P142C	Crankcase Ventilation Heater Relay - Open Circuit (SIG)
DTC P1430	Diagnostic Module Tank Leakage (DM-TL) Heater Low (MIN)
DTC P1431	Diagnostic Module Tank Leakage (DM-TL) Heater High (MAX)
DTC P1434	Diagnostic Module Tank Leakage (DM-TL) (SIG)
DTC P1447	Diagnostic Module Tank Leakage (DM-TL) Pump Current Too High during Switching Solenoid Test (PLAUS)
DTC P1448	Diagnostic Module Tank Leakage (DM-TL) Pump Current Too Low (MIN)
DTC P1449	Diagnostic Module Tank Leakage (DM-TL) Pump Current Too High (MAX)
DTC P1453	Secondary Air Injection Pump Relay Control Circuit Electrical (SIG)
DTC P14C2	DISA (Differentiated Intake Manifold) Actuator 1 Mechanical or Hardware Defect (PLAUS)
DTC P14C3	DISA (Differentiated Intake Manifold) Actuator 2 Mechanical or Hardware Defect (PLAUS)
DTC P1511	DISA (Differentiated Intake Manifold) Control Circuit Electrical (MAX)
DTC P1511	DISA (Differentiated Intake Manifold) Control Circuit Electrical (MIN)
DTC P1511	DISA (Differentiated Intake Manifold) Control Circuit Electrical (SIG)
DTC P1511	DISA (Differentiated Intake Manifold) Control Circuit Electrical (SIG)
DTC P1512	DISA (Differentiated Intake Manifold) Control Circuit Signal Low (MIN)
DTC P1512	DISA (Differentiated Intake Manifold) Control Circuit Signal Low (MIN)
DTC P1513	DISA (Differentiated Intake Manifold) Control Circuit Signal High (MAX)
DTC P1513	DISA (Differentiated Intake Manifold) Control Circuit Signal High (MAX)
DTC P1540	Driving Dynamics Control Switch High Input (MAX)
DTC P1541	Driving Dynamics Control Switch Low Input (MIN)
DTC P1553	Engine Position System 'B' Performance (MAX)
DTC P1554	Engine Position System 'A' Performance (MAX)
DTC P1561	Cold Start Idle Air Control System RPM Lower Than Expected (Bank 1) (MIN)
DTC P1562	Cold Start Idle Air Control System RPM Higher Than Expected (Bank 1) (MAX)
DTC P1563	Multifunction Steering Wheel (MFL) Rocker Switch Defective (PLAUS)
DTC P1565	Multifunction Steering Wheel (MFL) Interface, Bit Error or Buttons '+' and '-' Pressed Simultaneously (S54 to 09/00: 'B' Camshaft Position Actuator Control Open Circuit (Bank 1) (PLAUS)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (MAX)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (MAX)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (MAX)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (MIN)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (MIN)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (PLAUS)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (PLAUS)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (PLAUS)
DTC P1567	Multifunction Steering Wheel (MFL) Interface, Toggle- Bit Fault (M62/TU: Multifunction Steering Wheel (MFL) Interface, Timeout Telegram) (SIG)
DTC P160A	Powermanagement Exhaustive Discharge (MIN)
DTC P160B	Powermanagement Defective (PLAUS)
DTC P160C	Powermanagement Overvoltage (MAX)
DTC P160D	Powermanagement Undervoltage (MIN)
DTC P160E	Powermanagement Operation Without Battery (SIG)
DTC P160F	Powermanagement No-Load Current Error (PLAUS)
DTC P1611	Serial Communication Link Transmission Control Module (SIG)
DTC P1611	Serial Communication Link Transmission Control Module (SIG)
DTC P1612	Serial Communication Link Instrument Pack (SIG)
DTC P1612	Serial Communication Link Instrument Pack (SIG)
DTC P1613	Serial Communication Link ASC (Automatic Stability Control) (SIG)
DTC P1613	Serial Communication Link ASC (Automatic Stability Control) (SIG)
DTC P1613	Serial Communication Link ASC (Automatic Stability Control) (SIG)
DTC P1618	Control Module Self-Test, AD-Converter Monitoring (PLAUS)
DTC P1624	Pedal Position Sensor Potentiometer Supply Channel 1 Electrical (M52: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)) (PLAUS)
DTC P1625	Pedal Position Sensor Potentiometer Supply Channel 2 Electrical (PLAUS)
DTC P1632	Throttle Valve Adaptation Conditions Not Met (MAX)
DTC P1633	Throttle Valve Adaptation Limp-Home Position Unknown (MIN)
DTC P1634	Throttle Valve Adaptation Spring Test Failed (Bank 1) (MAX)
DTC P1635	Throttle Valve Adaptation Lower Mechanical Stop not Adapted (MAX)
DTC P1636	Throttle Valve Control Circuit (Bank 1) (SIG)
DTC P1637	Throttle Valve Position Control, Control Deviation (Bank 1) (MAX)
DTC P1638	Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1) (MAX)
DTC P1639	Throttle Valve Position Control Throttle Stuck Permanently (Bank 1) (MAX)
DTC P1644	Throttle Valve Adaptation Stop Relearning Lower Mechanical Stop (PLAUS)
DTC P1675	Throttle Valve Actuator Start Test Re-Adaptation Required (MAX)
DTC P1694	Throttle Valve Actuator Start Test Spring Test and Limp- Home Position Failed (SIG)
DTC P169A	Throttle Valve Actuator Start Test Limp-Home Position Failed (MIN)
DTC P16A0	Internal Control Module Memory Check Sum Error in Boot Software (MAX)
DTC P16A1	Internal Control Module Memory Check Sum Error in Application Software (MIN)
DTC P16A2	Internal Control Module Memory Check Sum Error in Data (SIG)
DTC P16A3	Internal Control Module Non-Volatile Memory (NVMY) Error (MAX)
DTC P16A4	Timeout Control Module Knock Sensor SPI-Bus (SIG)
DTC P16A5	Timeout Control Module Knock Sensor SPI-Bus (SIG)
DTC P16A6	Control Module Self-Test, Cruise Control Monitoring (MIN)
DTC P16A6	Control Module Self-Test, Cruise Control Monitoring (SIG)
DTC P16A7	Control Module Self-Test, Hot Film Air Mass Meter Monitoring (MAX)
DTC P16A8	Control Module Self-Test, Throttle Position Monitoring (MIN)
DTC P16A9	Control Module Self-Test, Speed Monitoring Reset (PLAUS)
DTC P16B0	Control Module Self-Test, Pedal Position Sensor Monitoring (PLAUS)
DTC P16B1	Control Module Self-Test, Idle Air Control System Integrated Component Plausibility (MAX)
DTC P16B2	Control Module Self-Test, Idle Air Control System PD Component Plausibility (MIN)
DTC P16B3	Control Module Self-Test, MSR (Engine-Drag-Torque Control) Monitoring (MAX)
DTC P16B5	Control Module Self-Test, AMT (Automatic Manual Transmission) Monitoring (SIG)
DTC P16B6	Control Module Self-Test, ETC Monitoring (PLAUS)
DTC P16B7	Control Module Self-Test, Clutch Torque Monitoring Maximum Value Plausibility (MAX)
DTC P16B8	Control Module Self-Test, Clutch Torque Monitoring Maximum Value Plausibility (MIN)
DTC P16B9	Control Module Self-Test, Torque Loss Monitoring (SIG)
DTC P16C0	Control Module Self-Test, Driving Dynamics Control Switch Monitoring (PLAUS)
DTC P16C1	Control Module Self-Test, Torque Monitoring Current Indicated Value Plausibility (PLAUS)
DTC P16C1	Control Module Self-Test, Torque Monitoring Current Indicated Value Plausibility (PLAUS)
DTC P16C2	Control Module Self-Test, Speed Limitation Monitoring (PLAUS)
DTC P16C3	Control Module Self-Test, Speed Limitation Reset (PLAUS)
DTC P16C5	Main Relay Switching Delay (MAX)
DTC P16C8	Serial Communication Link EKP (Electrical Fuel Pump) (SIG)
DTC P1794	Internal Transmission Control Module Memory Check Sum Error (PLAUS)
DTC P2067	Fuel Level Sensor 'B' Circuit Low (MIN)
DTC P2068	Fuel Level Sensor 'B' Circuit High (MAX)
DTC P2088	A' Camshaft Position Actuator Control Circuit High (Bank 1) (MIN)
DTC P2089	A' Camshaft Position Actuator Control Circuit High (Bank 1) (MAX)
DTC P2090	B' Camshaft Position Actuator Control Circuit High (Bank 1) (MIN)
DTC P2091	B' Camshaft Position Actuator Control Circuit High (Bank 1) (MAX)
DTC P2096	Post Catalyst Fuel Trim System Too Lean (Bank 1) (MIN)
DTC P2097	Post Catalyst Fuel Trim System Too Rich (Bank 1) (MAX)
DTC P2098	Post Catalyst Fuel Trim System Too Lean (Bank 2) (MIN)
DTC P2099	Post Catalyst Fuel Trim System Too Rich (Bank 2) (MAX)
DTC P2120	Throttle/Pedal Position Sensor/Switch 'D' Circuit (PLAUS)
DTC P2122	Throttle/Pedal Position Sensor/Switch 'D' Circuit Low (MIN)
DTC P2123	Throttle/Pedal Position Sensor/Switch 'D' Circuit High (MAX)
DTC P2127	Throttle/Pedal Position Sensor/Switch 'E' Circuit Low (MIN)
DTC P2128	Throttle/Pedal Position Sensor/Switch 'E' Circuit High (MAX)
DTC P2138	Throttle/Pedal Position Sensor/Switch 'D' / 'E' Voltage Correlation (PLAUS)
DTC P2195	O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1) (MAX)
DTC P2196	O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1) (MAX)
DTC P2197	O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1) (MAX)
DTC P2198	O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1) (MAX)
DTC P2243	O2 Sensor Reference Voltage Circuit/Open (Bank 1 Sensor 1) (MAX)
DTC P2247	O2 Sensor Reference Voltage Circuit/Open (Bank 2 Sensor 1) (MAX)
DTC P2270	O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) (MIN)
DTC P2271	O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) (MAX)
DTC P2272	O2 Sensor Signal Stuck Lean (Bank 2 Sensor 2) (MIN)
DTC P2273	O2 Sensor Signal Stuck Rich (Bank 2 Sensor 2) (MAX)
DTC P2297	O2 Sensor Out of Range During Deceleration (Bank 1 Sensor 1) (MAX)
DTC P2298	O2 Sensor Out of Range During Deceleration (Bank 2 Sensor 1) (MAX)
DTC P2400	Evaporative Emission System Leak Detection Pump Control Circuit/Open (SIG)
DTC P2401	Evaporative Emission System Leak Detection Pump Control Circuit Low (MIN)
DTC P2402	Evaporative Emission System Leak Detection Pump Control Circuit High (MAX)
DTC P2414	O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1) (MAX)
DTC P2415	O2 Sensor Exhaust Sample Error (Bank 2 Sensor 1) (MAX)
DTC P2418	Evaporative Emission System Switching Valve Control Circuit/Open (SIG)
DTC P2419	Evaporative Emission System Switching Valve Control Circuit Low (MIN)
DTC P2420	Evaporative Emission System Switching Valve Control Circuit High (MAX)
DTC P2626	O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1) (PLAUS)
DTC P2629	O2 Sensor Pumping Current Trim Circuit/Open (Bank 2 Sensor 1) (PLAUS)
DTC P3022	O2 Sensor Disturbed SPI Communication to WRAF-IC (Bank 1 Sensor 1) (MIN)
DTC P3023	O2 Sensor Disturbed SPI Communication to WRAF-IC (Bank 2 Sensor 1) (MIN)
DTC P3024	O2 Sensor Initialization Error WRAF-IC (Bank 1 Sensor 1) (MAX)
DTC P3025	O2 Sensor Initialization Error WRAF-IC (Bank 2 Sensor 1) (MAX)
DTC P3026	O2 Sensor Operating Temperature not Reached (Bank 1 Sensor 1) (MAX)
DTC P3027	O2 Sensor Operating Temperature not Reached (Bank 2 Sensor 1) (MAX)
DTC P3213	CAN Message Monitoring ETC Alive Check (MIN)
DTC P3256	CAN Timeout Steering Angle Sensor Control Module (SIG)
DTC U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module (SIG)
DTC U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module (SIG)
DTC U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module (SIG)
DTC U1154	Lost Communication With Message 2 TCM (SIG)
DTC U1155	Message Monitoring 2 TCM Check Sum Error (PLAUS)
DTC U1156	Message Monitoring 2 TCM Alive Check (MIN)
DTC U1200	Message Monitoring TCM Check Sum Error (PLAUS)

Diagnostic Trouble Codes Index

BMW Fault Code (hex)

0x2A80

BMW Fault Code (dez)

10880

Component

Camshaft Position Actuator

Subcomponent

Intake

Monitoring criteria

VANOS activation-control monitor Engine speed > 500 rpm

Fault debouncing

none

Terminal conditions

Terminal 15, engine on

Voltage conditions

Voltage in onboard electrical system

Temperature conditions

none

Time conditions

0.5 sec.

Signal information

none

Calculated value Y/N

Possible Fault Causes

Open circuit

Repair procedures (plant/service)

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL illumination/CC message/emergency program

MIL ON

Remarks

none

0x2A82

10882

Camshaft Position Timing

Intake

No info.

0x2A85

10885

Camshaft Position Actuator

Exhaust

VANOS activation-control monitor Engine speed > 500 rpm.

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL ON

none

0x2A87

10887

Camshaft Position Timing

Exhaust

No info.

0x2A98

10904

Crankshaft / Camshaft Position Sensor

Intake

No info.

0x2A99

10905

Crankshaft / Camshaft Position Sensor.

Exhaust

NW signal position detection monitor.

none

Terminal 15, engine on

none

Chain jumped timing or crankshaft center bolt is loose.

Check timing adjustment on crankshaft reluctors.
Check timing chain and chain tensioner.

none

Chain jumps timing

0x2C9C

11420

Oxygen Sensor, Front

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater wire open

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 1
Replace O2 sensor
Replace DME

MIL ON

none

0x2C9C

11420

Oxygen Sensor, Front

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater short circuit to positive

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 1
Replace O2 sensor
Replace DME

MIL ON

none

0x2C9C

11420

Oxygen Sensor, Front

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory.

Active immediately after terminal 15 change; electr. faults entered within a few seconds.

Terminal 15, engine on

none

0.2 sec.

none

Heater short circuit to positive

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 1
Replace O2 sensor
Replace DME

MIL ON

none

0x2C9E

11422

Oxygen Sensor, Rear

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater wire open

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor behind catalytic converter Bank 1 before catalytic converter
Replace O2 sensor 5.

MIL ON

none

0x2C9E

11422

Oxygen Sensor, Rear

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater has short to ground

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor behind catalytic converter Bank 1 before catalytic converter
Replace O2 sensor 5.

MIL ON

none

0x2C9E

11422

Oxygen Sensor, Rear

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater short circuit to positive

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor behind catalytic converter Bank 1 before catalytic converter
Replace O2 sensor 5.

MIL ON

none

0x2C24

11300

Oxygen Sensor, Front

Sensors Swapped

Reversed O2 sensor monitor, Implausible O2 sensor signal at idle and on the road, RPM in excess of 288 rpm, No overrun injection deactivation, No faults stored in fault memory

Lambda control for both banks at control limit

Terminal 15, engine on

none

Engine at operating temperature

Approximately 50 s

none

Oxygen sensor before catalytic converter for Banks 1 and 2 connections reversed

Check O2 sensors and reverse connections as indicated.

MIL ON

none

0x2C6A

11370

Oxygen Sensor, Rear

Sensors Swapped

No info.

0x2C9D

11421

Oxygen Sensor, Front

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory.

Active immediately after terminal 15 change; electr. faults entered within a few seconds.

Terminal 15, engine on

none

0.2 sec.

none

Heater wire open

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Replace O2 sensor
Replace DME

MIL ON

none

0x2C9D

11421

Oxygen Sensor, Front

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater has short to ground

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Replace O2 sensor
Replace DME

MIL ON

none

0x2C9D

11421

Oxygen Sensor, Front

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater short circuit to positive

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Replace O2 sensor
Replace DME

MIL ON

none

0x2CA6

11430

Oxygen Sensor, Front

Heater Resistance

Internal control-module fault, O2 sensor temperature definition failed No faults stored in fault memory

Processor chip monitor, no valid temperature for more than 5 sec.

Terminal 15, engine on

none

approximately 15 sec.

none

Invalid sensor temperature, Processor chip in control module defective

Replace DME

MIL ON

none

0x2C9F

11423

Oxygen Sensor, Rear

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater wire open

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor behind catalytic converter Bank 2 before catalytic converter
Replace O2 sensor 5.

MIL ON

none

0x2C9F

11423

Oxygen Sensor, Rear

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater has short to ground

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor behind catalytic converter Bank 2 before catalytic converter
Replace O2 sensor 5.

MIL ON

none

0x2C9F

11423

Oxygen Sensor, Rear

Heater Electrical

O2 sensor heater driver circuit diagnosis UBatt > 10V Sensors installed. No faults stored in fault memory

Active immediately after terminal 15 change; electr. faults entered within a few seconds

Terminal 15, engine on

none

0.2 sec.

none

Heater short circuit to positive

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor behind catalytic converter Bank 2 before catalytic converter
Replace O2 sensor 5.

MIL ON

none

0x2CA7

11431

Oxygen Sensor, Front

Heater Resistance

Internal control-module fault, O2 sensor temperature definition failed, No faults stored in fault memory

Processor chip monitor, no valid temperature for more than 5 sec.

Terminal 15, engine on

none

approximately 15 sec.

none

Invalid sensor temperature, Processor chip in control module defective

Replace DME

MIL ON

none

0x2D0F

11535

Mass Air Flow Sensor

Electrical

Engine must be running

0.2 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

800 ms

none

Sensor wire shorted to ground or open circuit in wire

1) Check sensor wire and power supply 2) Visual examination of plug-in contacts (at component and DME ends)

MIL ON

Additional conditions for diagnosing short to ground: overrun injection deactivation not active and engine speed in excess of 512 rpm and throttle valve angle greater than 1.5° and VVT eccentric angle > 10°.

0x2D0F

11535

Mass Air Flow Sensor

Electrical

Engine must be running

0.2 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

800 ms

none

Sensor wire shorted to positive

1) Check sensor wire and power supply 2) Visual examination of plug-in contacts (at component and DME ends)

MIL ON

ATTENTION: If the ground wire is open an HFM fault will appear together with an intake air temperature fault in the fault memory

0x2CF6

11510

Throttle Position Sensor

via LC_USE_MAF_TPS_DIAG = 0 deactivated for N52

No info.

0x2CF9

11513

Throttle Position Sensor

Throttle valve test

0.02S

Terminal 15 ON

none

50 ms

none

1) Main relay response lag 2) Short circuit to ground in Channel 1 sensor wire

1) Check fault memory for stored fault 'pedal-position sensor power supply' and/or 'main relay' and replace main relay as indicated 1) Check sensor wire and power supply 2) Visual examination of plug-in contacts (at component and DME ends)

MIL control through lv err TPS OBD

Voltage range diagnosis. Attention: This is the first fault entered in the fault memory when the main relay is defective or a problem exists with the voltage supply to pedal-position sensor 1, as the debounce time is very short.

0x2CF9

11513

Throttle Position Sensor

Throttle valve test

0.02S

Terminal 15 ON

none

50 ms

none

1) Channel 1 sensor wire has short circuit to ground or is open

1) Check sensor wire and power supply 2) Visual examination of plug-in contacts (at component and DME ends)

MIL control through lv err TPS OBD

Voltage range diagnosis

0x2C3F

11327

Oxygen Sensor, Front

Electrical

O2 sensor chip monitor. No faults stored in fault memory.

Short to ground in self-diagnosis processor chip

Terminal 15, engine on

none

approximately 5 s

none

Short to ground

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Check wiring harness for short circuit to positive

MIL ON

none

0x2C3F

11327

Oxygen Sensor, Front

Electrical

O2 sensor chip monitor. No faults stored in fault memory

Self-diagnosis processor chip has short to positive

Terminal 15, engine on

none

approximately 5 s

none

Short to positive

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Check wiring harness for short circuit to positive

MIL ON

none

0x2C39

11321

Oxygen Sensor, Front

Response Time

Oxygen sensor dynamic response test. No faults stored in fault memory. Drive at 50-80 km/h and moderate rpm.

Reduced dynamic response from sensor

Terminal 15, engine on

none

Engine at operating temperature

approximately 400 s

none

Sensor aging. Sensor contamination. An open wire can also produce this fault scenario in isolated instances.

Replace the corresponding O2 sensor. If this fails to resolve the issue, check the wiring.

MIL ON

none

0x2CA6

11430

Oxygen Sensor, Front

Heater

Test of O2 sensor heater, sensor operating temperature not reached after start. No faults stored in fault memory.

O2 sensor temperature of 650 °C not reached by 30 sec. after engine start

Terminal 15, engine on

none

approximately 30 sec. after engine

none

O2 sensor heater aging, Excessive contact resistance, Open wire at Pin VN

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Check wiring (including resistance)
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Rep

MIL ON

none

0x2C75

11381

Oxygen Sensor, Rear

Electrical

O2 sensor signal check. No faults stored in fault memory. Mass airflow greater than 10kg/h.

Voltage on Bank 1 O2 sensor behind catalytic converter less than 0.02 V; Internal resistance in circuit for downstream O2 sensor less than 10 Ohms

Terminal 15, engine on

none

Engine at operating temperature

approximately 2 minutes

Voltage < 0.2V

Short to positive

Check wiring
Check plug
Take resistance readings
Check voltage
Replace Bank 1 O2 sensor behind catalytic converter

MIL ON

none

0x2C73

11379

Oxygen Sensor, Rear

Electrical

O2 sensor signal check. No faults stored in fault memory.

Voltage on Bank 1 O2 sensor behind catalytic converter greater than 4.6 V

Terminal 15, engine on

none

approximately 15 sec.

Voltage > 4.6 V

Short to positive

Check wiring
Measure voltage on O2 sensor behind catalytic converter
Check plug
Replace Bank 1 O2 sensor behind catalytic converter

MIL ON

none

0x2C7B

11387

Oxygen Sensor, Rear

Response Time

O2 sensor behind catalytic converter voltage too high with overrun injection deactivation active; signal sticks at rich => US only! With ECE data loaded!

Voltage > 0.2 V

Terminal 15, engine on

none

Engine at operating temperature

Approximately 10 s overrun injection

none

Open wire; short to positive

Check wiring
Check plug
Measure wire resistance against positive and ground
Replace Bank 1 O2 sensor behind catalytic converter

MIL ON (US only!)

none

0x2C77

11383

Oxygen Sensor, Rear

Electrical

O2 sensor signal check No faults stored in fault memory

O2 sensor voltage between 0.4V and 0.5V; Internal resistance in circuit for downstream O2 sensor greater than 60 kOhms

Terminal 15, engine on

none

Engine at operating temperature

approximately 2 minutes

Voltage 0.4 ... 0.5 V

Open circuit

Visual inspection of wiring and connectors
Take resistance readings
Replace corresponding wire
Replace wiring harness
Replace O2 sensor

MIL ON

none

0x2CA8

11432

Oxygen Sensor, Rear

Heater

Check internal resistance of O2 sensor to check sensor heater => If heater is too weak, the internal resistance in the O2 sensor will be too high (= sensor too cold) No faults stored in fault memory

Internal resistance R > 12000 Ohm (US) or 15000 Ohm (ECE)

Terminal 15, engine on

none

Exhaust-gas temperature less than standard

approximately 400 s

none

O2 sensor too cold; contact resistance in heater wire too high; heater too weak owing to age

0. Was the temperature drop caused by external factors (driving into snow pile, ice on O2 sensor?) Thaw sensor, clear fault memory, continue driving!

Check O2 sensor heater: Excessive contact resistance at plug terminals and in wire (DME-wiring harness)

MIL ON

none

0x2C40

11328

Oxygen Sensor, Front

Electrical

O2 sensor chip monitor. No faults stored in fault memory.

Short to ground in self-diagnosis processor chip

Terminal 15, engine on

none

approximately 5 s

none

Short to ground

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Check wiring harness for short circuit to positive

MIL ON

none

0x2C40

11328

Oxygen Sensor, Front

Electrical

O2 sensor chip monitor. No faults stored in fault memory.

Self-diagnosis processor chip has short to positive.

Terminal 15, engine on

none

approximately 5 s

none

Short to positive

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor before catalytic converter Bank 2
Check wiring harness for short circuit to positive

MIL ON

none

0x2C3A

11322

Oxygen Sensor, Front

Response Time

Oxygen sensor dynamic response test. No faults stored in fault memory. Drive at 50-80 km/h and moderate rpm.

Reduced dynamic response from sensor

Terminal 15, engine on

none

Engine at operating temperature

approximately 400 s

none

Sensor aging. Sensor contamination. An open wire can also produce this fault scenario in isolated instances.

Replace the corresponding O2 sensor. If this fails to resolve the issue, check the wiring.

MIL ON

none

0x2CA7

11431

Oxygen Sensor, Front

Heater

Test of O2 sensor heater, sensor operating temperature not reached after start, No faults stored in fault memory.

O2 sensor temperature of 650 °C not reached by 30 sec. after engine start

Terminal 15, engine on

none

approximately 30 sec. after engine

none

O2 sensor heater aging, Excessive contact resistance, Open wire at Pin VN

Visual inspection for damage to wiring and lines, DME plug and sensor
Check wiring (including resistance)
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 2 (water or corrosion in plug?) => Repeat

MIL ON

none

0x2C76

11382

Oxygen Sensor, Rear

Electrical

O2 sensor signal check, No faults stored in fault memory, Mass airflow greater than 10kg/h

Voltage on Bank 2 O2 sensor behind catalytic converter less than 0.02 V; Internal resistance in circuit for downstream O2 sensor less than 10 Ohms

Terminal 15, engine on

none

Engine at operating temperature

approximately 2 minutes

Voltage < 0.2V

Short to ground

Check wiring
Check plug
Take resistance readings
Check voltage
Replace Bank 2 O2 sensor behind catalytic converter

MIL ON

none

0x2C74

11380

Oxygen Sensor, Rear

Electrical

O2 sensor signal check, No faults stored in fault memory.

Voltage on Bank 2 O2 sensor behind catalytic converter greater than 4.6 V

Terminal 15, engine on

none

approximately 15 sec.

Voltage > 4.6 V

Short to positive

Check wiring
Measure voltage on O2 sensor behind catalytic converter
Check plug
Replace Bank 1 O2 sensor behind catalytic converter

MIL ON

none

0x2C7C

11388

Oxygen Sensor, Rear

Response Time

O2 sensor behind catalytic converter voltage too high with overrun injection deactivation active; signal sticks at rich => US only! With ECE data loaded!

Voltage > 0.2 V

Terminal 15, engine on

none

Engine at operating temperature

Approximately 10 s overrun injection

none

Open wire; short to positive

Check wiring
Check plug
Measure wire resistance against positive and ground
Replace Bank 2 O2 sensor behind catalytic converter

MIL ON (US only!)

none

0x2C78

11384

Oxygen Sensor, Rear

Electrical

O2 sensor signal check No faults stored in fault memory

O2 sensor voltage between 0.4V and 0.5V; Internal resistance in circuit for downstream O2 sensor greater than 60 kOhms.

Terminal 15, engine on

none

Engine at operating temperature

approximately 2 minutes

Voltage 0.4 ... 0.5 V

Open circuit

Visual inspection of wiring and connectors
Take resistance readings
Replace corresponding wire
Replace wiring harness
Replace O2 sensor

MIL ON

none

0x2CA9

11433

Oxygen Sensor, Rear

Heater

Check internal resistance of O2 sensor to check sensor heater => If heater is too weak, the internal resistance in the O2 sensor will be too high (= sensor too cold) No faults stored in fault memory

Internal resistance R > 12000 Ohm (US) or 15000 Ohm (ECE)

Terminal 15, engine on

none

No info.

approximately 400 s

none

O2 sensor too cold; contact resistance in heater wire too high; heater too weak owing to age

0. Was the temperature drop caused by external factors (driving into snow pile, ice on O2 sensor?) Thaw sensor, clear fault memory, continue driving!

Check O2 sensor heater: Excessive contact resistance at plug terminals and in wire (DME-wiring harness)

MIL ON

none

0x2A2E

10798

Fuel System

All Load Ranges

No info.

0x2A2E

10798

Fuel System

All Load Ranges

No info.

0x2A2F

10799

Fuel System

All Load Ranges

No info.

0x2A2F

10799

Fuel System

All Load Ranges

No info.

0x2E30

11824

Injector

Open Circuit

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E31

11825

Injector

Open Circuit

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system.

none

1.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E32

11826

Injector

Open Circuit

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

none

0x2E33

11827

Injector

Open Circuit

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E34

11828

Injector

Open Circuit

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E35

11829

Injector

Open Circuit

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2CF7

11511

Throttle Position Sensor

via LC_USE_MAF_TPS_DIAG = 0 deactivated for N52

No info.

0x2CFA

11514

Throttle Position Sensor

Throttle valve test

0.02S

Terminal 15 ON

none

50 ms

none

1) Main relay response lag 2) Channel 2 sensor wire has short circuit to ground or is open.

none

0x2CFA

11514

Throttle Position Sensor

Throttle valve test

0.02S

Terminal 15 ON

none

50 ms

none

Channel 2 sensor wire shorted to positive.

1) Check sensor wire and power supply 2) Visual examination of plug-in contacts (at component and DME ends)

MIL control through lv err TPS OBD.

Voltage range diagnosis

0x2E30

11824

Injector

Short to Ground

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E30

11824

Injector

Short to Batt

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

Problem resolved only after terminal switch

0x2E31

11825

Injector

Short to Ground

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

none

0x2E31

11825

Injector

Short to Batt

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

Problem resolved only after terminal switch

0x2E32

11826

Injector

Short to Ground

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E32

11826

Injector

Short to Batt

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

Problem resolved only after terminal switch

0x2E33

11827

Injector

Short to Ground

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

none

0x2E33

11827

Injector

Short to Batt

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

Problem resolved only after terminal switch.

0x2E34

11828

Injector

Short to Ground

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

none

0x2E34

11828

Injector

Short to Batt

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system.

none

1.5 sec.

none

Short to positive in wire or short to positive in component.

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

Problem resolved only after terminal switch

0x2E35

11829

Injector

Short to Ground

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system.

none

1.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL

none

0x2E35

11829

Injector

Short to Batt

Injector control monitor

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

1.5 sec.

none

Short to positive in wire or short to positive in component.

Check wire and repair if not satisfactory. If satisfactory, then check component.

MIL

Problem resolved only after terminal switch.

0x29CC

10700

Misfire

Multiple

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa Combustion miss on at least two cylinders.

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor.

Terminal 15, engine on

Voltage in onboard electrical system.

Coolant temperature > -6.8 °C

6 crankshaft rotations after start.

none

Ignition miss or fault with fuel trim affecting at least two individual cylinders.

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

Supplementary information always provided when combustion miss is detected on more than two cylinders.

0x29CC

10700

Misfire

Multiple

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa Combustion miss on at least two cylinders

Combustion miss within first 1000 crankshaft rotations after start

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault with fuel trim affecting at least two individual cylinders

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

Supplementary information always provided when combustion miss is detected on more than two cylinders.

0x29CC

10700

Misfire

Multiple

No info.

0x29CC

10700

Misfire

Multiple

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa Combustion miss on at least two cylinders

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault with fuel trim affecting at least two individual cylinders

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

Supplementary information always provided when combustion miss is detected on more than two cylinders.

0x29CD

10701

Misfire

Cyl 1

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CD

10701

Misfire

Cyl 1

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within first 1000 crankshaft rotations after start

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CD

10701

Misfire

Cyl 1

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CE

10702

Misfire

Cyl 2

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor.

Terminal 15, engine on.

Voltage in onboard electrical system.

Coolant temperature > -6.8 °C.

6 crankshaft rotations after start.

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CE

10702

Misfire

Cyl 2

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within first 1000 crankshaft rotations after start.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME.

MIL ON

none

0x29CE

10702

Misfire

Cyl 2

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CF

10703

Misfire

Cyl 3

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CF

10703

Misfire

Cyl 3

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within first 1000 crankshaft rotations after start.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29CF

10703

Misfire

Cyl 3

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D0

10704

Misfire

Cyl 4

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D0

10704

Misfire

Cyl 4

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within first 1000 crankshaft rotations after start

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D0

10704

Misfire

Cyl 4

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D1

10705

Misfire

Cyl 5

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D1

10705

Misfire

Cyl 5

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within first 1000 crankshaft rotations after start.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim.

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D1

10705

Misfire

Cyl 5

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D2

10706

Misfire

Cyl 6

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within 200 crankshaft rotations, weighted according to engine speed and load factor

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D2

10706

Misfire

Cyl 6

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss within first 1000 crankshaft rotations after start

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D2

10706

Misfire

Cyl 6

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Ignition miss or fault in fuel trim

Ignition coils, spark plugs, ignition cables, injectors, DME

MIL ON

none

0x29D9

10713

Misfire

Low Fuel

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa.

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -6.8 °C

6 crankshaft rotations after start

none

Not enough fuel in tank

Refuel, ignition coils, spark plugs, ignition cables, injectors, DME

According to the corresponding combustion miss fault

Supplementary information always provided when combustion miss of any kind is detected during operation in the fuel reserve range.

0x2E68

11880

Knock Sensor

Sensor 1

Knock sensor signal monitor. Vehicle operation at engine speed >2800 rpm and air mass > 180mg/st. fault cannot be resolved by ignition terminal switch. Compliance with the activation conditions and absence of fault extending over several seconds are required.

The debounce time is derived from assessment of statistical diagnosis

Terminal 15, engine on

Voltage in onboard electrical system

none

min 1 sec., max 3 sec.

none

Knock sensor signal too low. Threaded sensor connection is loose or wire connecting knock sensor 2 to engine-management ECU is open.

Check knock sensor connection to verify that it is tight.
Check wire between knock sensor 1 and engine management ECU.
Check whether connection is present between knock sensor 1 and ground/positive.
Replace knock sensor

none

No knock control available. Performance loss as engine reverts to operation in safe range.

0x2E68

11880

Knock Sensor

Sensor 1

Knock sensor signal monitor Vehicle operation at engine speed >2800 rpm and air mass > 180mg/st. fault cannot be resolved by ignition terminal switch. Compliance with the activation conditions and absence of fault extending over several seconds are required.

Yes, by event counter. Knock signal sensor must lie below threshold (differential knock signal < 180 mV) for 1...3 sec., then fault code is stored

Terminal 15, engine on

Voltage in onboard electrical system

none

min 1 sec., max 3 sec.

none

Knock sensor signal too low. Threaded sensor connection is loose or wire connecting knock sensor 1 to engine-management ECU is open.

Check knock sensor connection to verify that it is tight.
Check wire between knock sensor 1 and engine management ECU.
Check whether connection is present between knock sensor 1 and ground/positive.
Replace knock sensor

none

No knock control available. Performance loss as engine reverts to operation in safe range.

0x2E68

11880

Knock Sensor

Sensor 1

Yes, by event counter. If knock sensor signal remains below threshold (differential knock signal > 4.8 V) for 1...3 sec. fault code is stored

Terminal 15, engine on

Voltage in onboard electrical system

none

min 1 sec., max 3 sec.

none

Knock sensor signal too high. Threaded sensor connection is loose or wire connecting knock sensor 1 to the engine-management ECU is shorted to positive

Check knock sensor connection to verify that it is tight.
Check wire between knock sensor 1 and engine management ECU.
Check whether connection is present between knock sensor 1 and ground/positive.
Replace knock sensor

none

No knock control available. Performance loss as engine reverts to operation in safe range.

0x2A94

10900

Crankshaft Position Sensor

Electrical

Crankshaft signal monitor. Signal detected and crankshaft synchronization ensured.

Fault code is stored when 12 camshaft flanks but no crankshaft teeth are registered

Terminal 15, engine on

none

Missing crankshaft sensor signal

Check signal wire for short circuit to positive, ground, open wire and interference
Replace crankshaft sensor

none

0x2A94

10900

Crankshaft Position Sensor

Electrical

Crankshaft signal monitor Signal detected and crankshaft synchronization ensured.

Fault code is stored when 12 NW flanks but no KW teeth have been registered although teeth were detected earlier

Terminal 15, engine on

none

KWG signal is implausible

Check signal wire for short circuit to positive, ground, open wire and interference
Replace crankshaft sensor

none

0x2AA0

10912

Camshaft Position Sensor

Intake Electrical

NW signal position detection monitor.

On every engine cycle when no camshaft flank has been detected.

Terminal 15, engine on

none

Intake camshaft sensor signal missing or implausible

Check signal wire for short circuit to positive, ground, open wire and interference
Replace intake camshaft sensor

none

Sensor failure after synchronization or during start if NW is not the NW used for synchronization.

0x2A9A

10906

Camshaft Position Sensor

Intake Electrical

NW and KW signals and positions detected.

On every camshaft flank when the flank was outside tolerance. At engine start only.

Terminal 15, engine on

none

Intake camshaft invalid for crankshaft synchronization

Check signal wire for short to positive, ground, open wire.
Replace camshaft sensor.
Check timing adjustment of crankshaft reluctors
Check timing chain and chain tensioner.

none

Sensor signal missing at start, or flanks outside tolerance.

0x2A9E

10910

Camshaft Position Sensor

Intake Electrical

NW signal position detection monitor.

On every camshaft flank if the flank ratio was not in tolerance.

Terminal 15, engine on

none

Intake camshaft autonomous synchronization, incorrect tooth flank ratio

Replace camshaft reluctor, incorrect installation

none

Flank pattern does not match stored pattern.

0x2E24

11812

Ignition Coil

A Primary / Secondary Circuit

No dual ignition, secondary spark absent.

Segment synchronization.

Terminal 15 ON

Voltage in onboard electrical system.

none

t > 1S

none

Voltage supply and ground connection for ignition system, ignition coil.

Check voltage supply, KBB/ZSP plug-in connection, insulation resistances of KBB, Replace ignition coil.

none

0x2E25

11813

Ignition Coil

B Primary / Secondary Circuit

No dual ignition, secondary spark absent

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

none

t > 1S

none

Voltage supply and ground connection for ignition system, ignition coil

Check voltage supply, KBB/ZSP plug-in connection, insulation resistances of KBB, Replace ignition coil.

none

0x2E26

11814

Ignition Coil

C Primary / Secondary Circuit

No dual ignition, secondary spark absent

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

none

t > 1S

none

Voltage supply and ground connection for ignition system, ignition coil

Check voltage supply, KBB/ZSP plug-in connection, insulation resistances of KBB, Replace ignition coil.

none

0x2E27

11815

Ignition Coil

D Primary / Secondary Circuit

No dual ignition, secondary spark absent

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

none

t > 1S

none

Voltage supply and ground connection for ignition system, ignition coil.

Check voltage supply, KBB/ZSP plug-in connection, insulation resistances of KBB, Replace ignition coil.

none

0x2E28

11816

Ignition Coil

E Primary / Secondary Circuit

No dual ignition, secondary spark absent

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

none

t > 1S

none

Voltage supply and ground connection for ignition system, ignition coil

Check voltage supply, KBB/ZSP plug-in connection, insulation resistances of KBB, Replace ignition coil.

none

0x2E29

11817

Ignition Coil

F Primary / Secondary Circuit

No dual ignition, secondary spark absent

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

none

t > 1S

none

Voltage supply and ground connection for ignition system, ignition coil

Check voltage supply, KBB/ZSP plug-in connection, insulation resistances of KBB, Replace ignition coil.

none

0x2AA1

10913

Camshaft Position Sensor

Exhaust Electrical

NW signal position detection monitor.

On every engine cycle when no camshaft flank has been detected.

Terminal 15, engine on

none

Exhaust camshaft signal implausible or missing

Check signal wire for short circuit to positive, ground, open wire and interference
Replace exhaust camshaft sensor

none

Sensor failure after synchronization or during start if NW is not the NW used for synchronization.

0x2A9B

10907

Camshaft Position Sensor

Exhaust Electrical

NW and KW signals and positions detected.

On every camshaft flank when the flank was outside tolerance. At engine start only.

Terminal 15, engine on

none

Exhaust camshaft not valid for crankshaft synchronization

Check signal wire for short to positive, ground, open wire.
Replace camshaft sensor.
Check timing adjustment of crankshaft reluctors
Check timing chain and chain tensioner.

none

Sensor signal missing at start, or flanks outside tolerance.

0x2A9F

10911

Camshaft Position Sensor

Exhaust Electrical

NW signal position detection monitor.

On every camshaft flank if the flank ratio was not in tolerance.

Terminal 15, engine on

none

Exhaust camshaft autonomous synchronization, incorrect tooth flank ratio

Replace camshaft reluctor, incorrect installation.

none

Flank pattern does not match stored pattern.

0x2A96

10902

Crankshaft Position Sensor

Signal

Crankshaft signal monitor Signal detected

At each synchronization gap if the number of crankshaft teeth on the last revolution was off by more than two teeth.

Terminal 15, engine on

none

Excessive or inadequate number of teeth detected during crankshaft rotation.

Check signal wire for short circuit to positive, ground, open wire and interference
Replace crankshaft sensor

none

Incorrect tooth number at gap without loss of synchronization

0x2A97

10903

Crankshaft Position Sensor

Signal

Crankshaft signal monitor, Signal detected

At each synchronization gap when a tooth time was out of tolerance on the last rotation.

Terminal 15, engine on

none

Invalid KW tooth time

Check signal wire for short circuit to positive, ground, open wire and interference
Replace crankshaft sensor

none

RPM gradient excessive prior to synchronization. Signal spikes following synchronization

0x29DB

10715

Crankshaft Position Sensor

Signal

No info.

0x2A95

10901

Crankshaft Position Sensor

Signal

Crankshaft signal monitor Signal detected

At each synchronization gap if synchronization has been lost.

Terminal 15, engine on

none

KW synchronization lost

Check signal wire for short circuit to positive, ground, open wire and interference
Replace crankshaft sensor

none

Incorrect tooth number at gap with loss of synchronization

0x29F4

10740

Catalyst

Efficiency

Unsatisfactory suitability for conversion detected. Speed >0 and < 160 km/h, Catalytic converter temperature (Model) >300 °C, Lambda closed-loop mixture control and trim control = ON, Engine speed between 1500- 3500 rpm

No time debounce, instead standard lambda control periodicity

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > 90 °C (US)

Always active

none

Possible thermal or chemical destruction of catalytic converter. Thermal:-sporadic combustion miss Chemical: Extremely large quantities of oil entering exhaust stream (phosphorous in exhaust gas): Fuels with compositions outside DIN specifications.

Visual inspection of catalytic converter-Mechanical damage?-Is extreme discoloration present on the converter? (gentle reddish-blue hue is normal, especially after high-speed highway operation).
Leak check encompassing entire exhaust.

MIL on in 2nd driving cycle

Because diagnosis is based on assessment of the signal from the O2 sensor behind catalytic converter the exhaust system must be examined for leaks following fault memory entries and also sealed if leaks are found (with no additional repairs).

0x29F4

10740

Catalyst

Efficiency

VS >0 and < 160 km/h Catalytic converter temperature (Model) >300 °C Lambda closed-loop mixture control and trim control = ON Engine speed between 1500-3500 rpm

No time debounce, instead standard lambda control periodicity

Engine must be running

No info.

TCO>90 °C (US>60 °C)

No info.

Possible thermal or chemical destruction of catalytic converter. Thermal:-sporadic combustion miss (however, these are largely prevented by miss detection)-low probability: Resets-low probability owing to presence of diagnostic utility.

Visual inspection of catalytic converter-Mechanical damage?-Is extreme discoloration present on the converter? (gentle reddish-blue hue is normal, especially after high-speed highway operation).
Leak check encompassing entire exhaust.

MIL on in 2nd driving cycle

No info.

0x29F5

10741

Catalyst

Efficiency

Unsatisfactory suitability for conversion detected. Speed >0 and < 160 km/h Catalytic converter temperature (Model) >300 °C Lambda closed-loop mixture control and trim control = ON Engine speed between 1500-3500 rpm

No time debounce, but based on lambda control periodicity

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > 90 °C (US)

Always active

none

Possible thermal or chemical destruction of catalytic converter. Thermal:-sporadic combustion miss Chemical:-Extremely large quantities of oil entering exhaust stream (phosphorous in exhaust gas):-Fuels with compositions outside DIN specification.

Visual inspection of catalytic converter-Mechanical damage?-Is extreme discoloration present on the converter? (gentle reddish-blue hue is normal, especially after high-speed highway operation).
Leak check encompassing entire exhaust.

MIL on in 2nd driving cycle

0x29F5

10741

Catalyst

Efficiency

No time debounce, instead standard lambda control periodicity.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > 90 °C (US)

Always active

none

Visual inspection of catalytic converter-Mechanical damage?-Is extreme discoloration present on the converter? (gentle reddish-blue hue is normal, especially after high-speed highway operation).
Leak check encompassing entire exhaust.

MIL on in 2nd driving cycle

0x2A1A

10778

EVAP System

Flow Check

none

Symptom is not used

0x2A15

10773

EVAP System

Leak Detection

Fuel tank system minute leakage monitor, after completion of DMTL diagnosis

After distance traveled > 200 m in driving cycle following diagnosis

Terminal 15 ON

10.95< vehicle electrical system v

1.5 °C > Ambient temperature > 38

none

Leak > 1 mm in the tank system

Search for leak in tank system (remember DMTL / TEV)

MIL ON

Installed in US only (initialization version)

0x2A19

10777

EVAP System

Valve

Control activation monitored by 20% < TEV control < 99%

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2A1A

10778

No info.

none

Symptom is not used

0x2A1B

10779

EVAP System

Leak Detection

After refueling > 5 liters or serious leakage fault from OBD II DMTL diagnosis, meaning DMTL diagnosis with missing filler cap using DIS. In the next driving cycle the CGC II test runs after 22 sec. and v > 10 km / h

After process, Check gas cap test

Terminal 15 ON

10.95 < Onboard electrical system

1.5 °C > Ambient temperature > 38

Approximately 2 minutes after vehicle start.

none

Leak > 1.5 mm, missing filler cap

Open filler cap, search for leak

CC status report

CGC I: No FSP entry

0x2A16

10774

EVAP System

Leak Detection

Tank system minute leakage monitor

Ignition on, in driving cycle following diagnosis

Terminal 15 ON

10.95< vehicle electrical system v

1.5 °C > Ambient temperature > 38

none

Leak > 0.5 mm in the tank system

Search for leak in tank system / Check fuel filler cap

MIL ON

Installed in US only (initialization version)

0x2A1B

10779

No info.

After process Check gas cap test

Terminal 15 ON

10.95 < Onboard electrical system

1.5 °C > Ambient temperature > 38

Approximately 2 minutes after vehicle start.

none

Leak > 1.5 mm, missing filler cap

Open filler cap, search for leak

CC status report

CGC I: No FSP entry

0x2A19

10777

EVAP System

Valve

Control activation monitored by 20% < TEV control < 99%

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Short to ground

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2A19

10777

EVAP System

Valve

Control activation monitored by 20% < TEV control < 99%

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Short to positive

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2A1C

10780

Fuel Level Sensor

Plausibility

No info.

0x2DE2

11746

Fuel Level Sensor

Electrical

No info.

0x2DE2

11746

Fuel Level Sensor

Electrical

No info.

0x2ADF

10975

Idle Speed Control

RPM

none

0x2ADF

10975

Idle Speed Control

RPM

Idle control monitor Idle = ON Speed = 0 km/h After roughly 120 sec., depending upon start temperature

none

Terminal 15, engine on

none

20 sec.

none

Impossible to adjust idle speed to +-100 relative to specified rpm

Note any other faults and repair the associated problems! Check all load-responsive servo actuators such as Valvetronic and the throttle valve for stored fault memory entries and faults! (check injection and induction system as indicated)

MIL on in 2nd driving cycle

US only

0x2AB2

10930

ECM/TCM

RAM

RAM checksum test. Test executed just one time, during control module boot.

No debounce. Fault can be reset by clearing fault memory.

Immediately after wakeup in dormant control module

none

Internal RAM in DME checksum fault.

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to return to completely dormant status
Ignition on
Read out stored faults

none

Internal control module fault

0x2AB2

10930

ECM/TCM

RAM

RAM checksum test

The checksum will be recalculated in response to data manipulation, leading to a deviation that causes fault code registration.

none

Internal TPU-RAM checksum fault

none

0x2ACB

10955

ECM/PCM Power Relay

Electrical

Main relay monitor, Main relay must disengage.

none

Terminal 15 OFF (wait until main relay disengages) then terminal 15 ON (leave ON)

Voltage in onboard electrical system

none

System responds to fault by storing DTC.

none

Main relay fails to pull in owing to mechanical problems, (or engages with lag) Or the wire to the DME is shorted to positive or is open.

Check wire and repair if not satisfactory. If satisfactory, check component

none

When this fault occurs it is very likely that other faults will be registered in the fault memory (throttle valve potentiometers 1 and 2, pedal-position sensor voltage supply), etc., as late or nonexistent engagement of main relay prevents voltage supply.

0x2ACB

10955

ECM/PCM Power Relay

Electrical

Main relay monitor DME deactivates main relay (8 sec. after terminal 15 OFF)

none

First terminal 15 ON then terminal 15 OFF (leave OFF)

Voltage in onboard electrical system

none

System responds to fault by storing DTC.

none

Main relay fails to disengage owing to mechanical factors. (welded shut), Or the wire to the DME is shorted to ground.

Check wire and repair if not satisfactory. If satisfactory, check component

none

0x2AD0

10960

Communication

ETC

EGS or SMG detected Fault report from EGS, DME as MIL gateway

none

Transmission reports MIL-relevant fault

Read fault memory from transmission control module.

MIL ON

The transmission control systems report a fault relevant to MIL.

0x2A35

10805

No info.

Reluctor monitor No faults related to the sensor voltage supply should be present (fault code #10800) and there should be no faults or SPI parity faults to the VVT sensor (fault code #10801) or (fault code #10802)

20 ms

Terminal 15 ON

Electrical system voltage terminal

none

20 ms

none

Missing reluctor on VVT sensor

Inspect to determine whether VVT sensor reluctor is installed correctly.
Replace VVT sensor if Item 1 is OK

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A31

10801

No info.

VVT lead sensor monitor No faults related to sensor voltage supply should be present (fault code 10800)

100 ms

Terminal 15 ON

Electrical system voltage terminal

none

100 ms

analog, 0-5V

Open circuit or short to ground or positive or signal wire between VVT lead sensor and DME. Open shielding in VVT sensor wire (no ground connection).

If faults (#10801) and (#10802) are simultaneously stored in the fault memory, proceed to check the following

Dual fault is stored when VVT sensor is not connected to the DME. Is VVT sensor connected to the wiring harness? If not: Plug in and check wiring.

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A36

10806

No info.

20 ms

Terminal 15 ON

Electrical system voltage terminal

none

20 ms

none

Missing reluctor on VVT sensor

Inspect to determine whether VVT sensor reluctor is installed correctly.
Replace VVT sensor if Item 1 is OK

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A32

10802

No info.

VVT reference sensor monitor No faults related to sensor voltage supply should be present (fault code 10800)

100 ms

Terminal 15 ON

Electrical system voltage terminal

none

100 ms

analog, 0-5V

Open circuit or short to ground or positive or signal wire between VVT reference sensor and DME. Open shielding in VVT sensor wire (no ground connection).

If faults (#10801) and (#10802) are simultaneously stored in the fault memory, proceed to check the following

Dual fault is stored when VVT sensor is not connected to the DME. Is VVT sensor connected to the wiring harness? If not: Plug in and check wiring.

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A37

10807

Valvetronic (VVT)

Sensors

VVT sensor plausibility monitor

No faults related to sensor voltage supply should be present (fault code #10800)
No sensor faults should be present (fault codes #10801 through #10806)

50 ms

Terminal 15 ON

Electrical system voltage terminal

none

50 ms

none

The VVT sensor signal is not plausible.

Check reluctor on VVT sensor to ensure correct installation and firm seating.
Replace VVT sensor if Item 1 is OK

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A47

10823

Valvetronic (VVT)

Sensors

none

Deleted starting with software version 600

0x2A30

10800

Valvetronic (VVT)

Power Supply Sensors

Eccentric shaft sensor power monitor Nominal sensor power-supply voltage = 5.0V

Sensor power-supply voltage > 5.25 V

Terminal 15 ON

Electrical system voltage terminal

none

10 ms

analog, 5V

Short to positive on VVT sensor power-supply wire

Check sensor power supply voltage with multimeter. Supply voltage must lie between 4.75V and 5.25V.
If result is outside specified range: Check power supply wire to VVT sensor and check plug.
If contact is stretched or corroded: Replace plug on V

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A46

10822

Valvetronic (VVT)

Self-Learning Function

none

0x2A46

10822

Valvetronic (VVT)

Self-Learning Function

No info.

0x2A39

10809

Valvetronic (VVT)

Self-Learning Function

Control range monitor when travel limit initialization routine is executed. (travel limit initialization routine is automatically executed in a 5 hour (engine operation hours) cycle or with 'initialize travel limits' tester request.

following renewed successful execution of the travel limit initialization routine

Terminal 15 ON

Electrical system voltage terminal

none

immediately

none

No travel stops initialized/present

Use tester request to repeat the VVT travel limit initialization routine
If Item No. 1 is not OK, it will be necessary to check the VVT mechanical components /VVT servo motor

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A30

10800

Valvetronic (VVT)

Power Supply Sensors

Eccentric shaft sensor power monitor, Nominal sensor power-supply voltage = 5.0V

Sensor power-supply voltage < 4.75V

Terminal 15 ON

Electrical system voltage terminal

none

10 ms

analog, 5V

Short to ground on VVT sensor power wire

Check sensor power supply voltage with multimeter. Supply voltage must lie between 4.75V and 5.25V.
If result is outside specified range: Check power supply wire to VVT sensor and check plug.
If contact is stretched or corroded: Replace plug on V

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A39

10809

Valvetronic (VVT)

Self-Learning Function

following renewed successful execution of the travel limit initialization routine

Terminal 15 ON

Electrical system voltage terminal

none

immediately

none

The initialized range is outside the approved tolerance range

Use tester request to repeat the VVT travel limit initialization routine
If Item No. 1 is not OK, it will be necessary to check the VVT mechanical components /VVT servo motor

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A39

10809

Valvetronic (VVT)

Self-Learning Function

following renewed successful execution of the travel limit initialization routine

Terminal 15 ON

Electrical system voltage terminal

none

immediately

none

No initialization for lower travel limit

Use tester request to repeat the VVT travel limit initialization routine
If Item No. 1 is not OK, it will be necessary to check the VVT mechanical components /VVT servo motor

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A33

10803

No info.

Internal VVT lead sensor monitor. No faults related to the sensor voltage supply should be present (fault code #10800) and there should be no faults or SPI parity faults to the VVT sensor (fault code #10801) or (fault code #10802)

20 ms

Terminal 15 ON

Electrical system voltage terminal

none

20 ms

none

Internal fault in VVT sensor

Sensor replacement

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A34

10804

No info.

20 ms

Terminal 15 ON

Electrical system voltage terminal

none

20 ms

none

Internal fault in VVT sensor

Sensor replacement

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A38

10808

Valvetronic (VVT)

Position Control

No info.

0x2A38

10808

Valvetronic (VVT)

Position Control

VVT system monitoring for friction and resistance to motion. Always active when no other VVT fault is present.

55 ms

Terminal 15 ON

Electrical system voltage terminal

none

55 ms

none

Mechanical seizure in the VVT system prevents the sensor reading from meeting specification.

Use tester to request initialization of travel limits and note whether travel limit initialization routine executes without problems.
If Item No. 1 is not satisfactory, re

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A45

10821

Valvetronic (VVT)

System Current

VVT motor current draw remains excessive over a defined period, the precise definition of this period varying according to the degree of excess current draw.

After control module deactivation and restart roughly 8 sec.

Terminal 15 ON

none

immediately

none

VVT motor intermittent short circuit
Defective DME control module.

Check supply wire to VVT motor/control module and inspect plug.
Replace VVT motor.
Check software revision number and replace DME control module as indicated if fault is entered again after clearing the fault memory.

MIL ON

none

0x2A3A

10810

Valvetronic (VVT)

ECM

Internal control module test, executed each time the DME is started.

Following a repeated successful execution of the travel limit initialization routine and successful storage of the initialization data the fault will be deleted.

none

Internal DME checksum fault in EEPROM.

With ignition on, use tester to initiate repeated travel limit initialization routine
Clear fault memory and allow vehicle to assume dormant state
Ignition on, determine whether fault is still entered in fault memory.
If fault is still present

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A3D

10813

Valvetronic (VVT)

Control Motor

Servo motor monitor

Following deactivation of control module (approximately 8 sec. after terminal 15 off)

Terminal 15 off

Electrical system voltage terminal

none

Fault code entry is immediate

none

Short to positive on one of the VVT motor power wires.

Check both power wires from DME to VVT motor for short circuits to positive. Switch off ignition and unplug DME before testing with test unit. (Large module plug is enough).
Is short circuit present? Yes, then unplug VVT motor from wiring harness an

MIL ON

DME VVT driver circuit temperature has reached 105 °C.

0x2A3D

10813

Valvetronic (VVT)

Control Motor

Servo motor monitor

Following deactivation of control module (approximately 8 sec. after terminal 15 off)

Terminal 15 off

Voltage at terminal 87 > 7.0 V

none

Fault code entry is immediate

none

Short to ground on one of the VVT motor power wires.

Determine whether one of the two VVT motor supply wires is grounded. Proceed by switching on the ignition!
Check wiring harness for short circuit to positive.
If the system continues to report fault #10813 & fault class 2 despite clearing fault

MIL ON

DME VVT driver circuit temperature has reached 105 °C.

0x2A3D

10813

Valvetronic (VVT)

Control Motor

Servo motor monitor

following deactivation of control module (approximately 8 sec. after terminal 15 off)

Terminal 15 off

Voltage at terminal 87 > 7.0 V

none

Fault code entry is immediate

none

Short circuit between the VVT motor wires

Check wires leading to VVT motor for shorts between the two wires.
Electrical check on wire: Ignition OFF! Disconnect plug from VVT motor and unplug DME (large module). The resistance should be infinite ohms.
The resistance of the winding

MIL ON

DME VVT driver circuit temperature has reached 105 °C.

0x2A3F

10815

Valvetronic (VVT)

Power Supply Control Motor

VVT servo motor power supply monitor

Power-supply voltage > 17 V

Terminal 15 ON

Electrical system voltage terminal

none

Fault code is stored following detection

none

Short circuit to positive in VVT power supply

Check VVT power supply voltage with multimeter. Supply voltage must lie between 5.75V and 17V.
If result is outside specified range: Inspect the power supply wire to the VVT pins and check the plug.
If contact is stretched or corroded: Replace plug.

MIL ON

none

0x2A3F

10815

Valvetronic (VVT)

Power Supply Control Motor

VVT servo motor power supply monitor

Power supply voltage < 5.75V

Terminal 15 ON

Electrical system voltage terminal

none

Fault code is stored following detection

none

Short circuit to ground in VVT power supply.

Check VVT power supply voltage with multimeter. Supply voltage must lie between 5.75V and 17V.
If result is outside specified range: Inspect the power supply wire to the VVT pins and check the plug.
If contact is stretched or corroded: Replace plug.

MIL ON

none

0x2A3C

10812

Valvetronic (VVT)

Power Supply Control Motor

VVT relay activation-control monitor DME main relay engaged

50 ms

Terminal 15 ON

Voltage in onboard electrical system

none

50 ms

none

Defective precharge circuit VVT driver circuit
Together with fault 2A3F: Defective VVT relay and short to ground at PIN 4-01 or 4-02

Check VVT relay and check PIN 4-01 and 4-02 on control module and wiring harness for short circuit to ground
If fault continues to be stored after deactivation of main relay and terminal 15 on, replace DME

EML ON CC status report: Reduced engine power! ', MIL ON

VVT emergency operation mode with throttled engine operation, no active VVT control, limited engine performance.

0x2A44

10820

Valvetronic (VVT)

Limp Home Request

VVT must be in emergency operation mode (meaning that no VVT sensor signal is present) and unit travels to upper travel limit at 30% VVT motor pulse-duty factor.
The mass induction airflow is employed as an index to determine whether the maximum VVT

after Terminal 15 switch and/or always active if DME is awake.

Terminal 15 ON

none

20 ms

none

A dual VVT sensor fault must be entered in the fault memory.
Check for mechanical friction in mechanical components in VVT system (VVT servo motor, VVT gears, VVT eccentric shaft...)

Check and repair the sensor defect using the correct repair instructions.
Check HFM mass airflow signal.
Check mechanical components in VVT system (VVT servo motor, VVT gears, VVT eccentric shaft...)

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A42

10818

Valvetronic (VVT)

Value Comparison

When the DME is activated (wakeup) it assesses the current VVT sensor angle based on the last VVT sensor angle prior to shutdown. If there is a substantial difference in the two angles, the operative assumption will that substantial repairs have been carried out.

Following a successful travel limit initialization routine (control activation possible using tester), active only once at the moment of the system start (DME wakeup).

Terminal 15 ON

none

immediately

none

Mechanical repairs may have been carried out on the cylinder head.

Conduct travel limit initialization routine using tester for activation. Delete stored fault codes from DME fault memory and initiate dormant vehicle state. Repeat procedure in case of doubt.

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A41

10817

Valvetronic (VVT)

Overload Protection

Electric overload protection The engine-management system monitors the VVT motor's current draw. If the monitored current draw exceeds a defined threshold for several seconds the VVT system is deactivated (VVT emergency operation mode), and the engine rev

Warning threshold: 112 °C internal DME driver circuit temperature Deactivation threshold: 126 °C internal DME driver circuit temperature

none

Loose reluctor on VVT sensor.
VVT servo motor defective (intermittent short circuit in motor winding makes its ohmage too low)
Short circuit in wiring harness (wire between VVT servo motor and DME)

Check for correct reluctor attachment at VVT sensor.
Defective VVT servo motor (for instance, intermittent short circuit) Check servo motor and replace as indicated (clear fault memory / ignition terminal switch)
Check wiring harness at VVT motor

MIL ON

none

0x2A40

10816

Valvetronic (VVT)

Overload Protection

Thermal overload protection The DME monitors the VVT driver circuit's temperature and responds to overheating with complete deactivation of the VVT system (deactivation threshold 126 °C).

Warning threshold: 112 °C internal DME driver circuit temperature Deactivation threshold: 126 °C internal DME driver circuit temperature

none

Other possible causes of fault

Loose reluctor on VVT sensor. (Vibrations in position registration cause VVT driver circuit in the DME to overheat)
Failure in E-box fan caused by loose plug-in connection, open wire, defective E-box fan
DME not

If no abuse can be detected the following tests should be carried out

Check for correct reluctor attachment at VVT sensor.
Use tester to trigger E-box fan and subject it to acoustic test.
DME installed according to specification.

MIL ON

none

0x2A3E

10814

Valvetronic (VVT)

Overload Protection

Servo motor overload monitor; A model is employed to calculate the VVT servo motor's temperature in the DME. The first stage occurs when it heats beyond a warning threshold (fault #10819, fault class 2). This is 190 °C (VVT motor temperature)

Warning threshold: 190 °C VVT servo motor temperature Deactivation threshold: 200 °C VVT servo motor temperature

Terminal 15 ON

none

Fault code is entered immediately

none

A model is employed to calculate the VVT servo motor's temperature in the DME. The first stage occurs when it heats beyond a warning threshold (fault #10819, fault class 2). This is 190 °C (VVT motor temperature) and causes the VVT to revert to operation

Check VVT servo motor
Allow servo motor to cool, clear fault memory and check DME to determine whether most recent software revision is installed.
DO NOT replace DME!

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A43

10819

Valvetronic (VVT)

Overload Protection

The engine-management system monitors the VVT motor's current draw. If the monitored current draw exceeds a defined threshold for several seconds the VVT system is deactivated (VVT emergency operation mode), and the engine reverts to throttled operation.

always active when DME is awake current threshold roughly 24A

Terminal 15 ON

none

immediately

none

Loose reluctor on VVT sensor.
VVT servo motor defective (soft intermittent short circuit in motor winding makes its ohmage too low)
Short circuit in wiring harness (wire between VVT servo motor and DME)
Abuse of accelerator pedal module.

Check for correct reluctor attachment at VVT sensor.
Defective VVT servo motor (for instance, intermittent short circuit) Check servo motor and replace as indicated
Check wiring harness between VVT motor and DME for short circuit between the two VVT

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A43

10819

Valvetronic (VVT)

Overload Protection

A temperature model is employed to monitor the VVT servo motor. When the calculated VVT motor temperature rises beyond the warning threshold this fault code is entered.

always active when DME is awake VVT motor temperature: Warning threshold 190 °C

Terminal 15 ON

none

immediately

none

A temperature model is employed to monitor the VVT servo motor. When the calculated VVT motor temperature rises beyond the warning threshold (190 °C) this fault code is entered.

Check VVT servo motor
Allow engine to cool, allow vehicle to assume dormant state, clear fault memory and check DME for most recent software version.

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2A44

10820

No info.

0x2A43

10819

Valvetronic (VVT)

Overload Protection

The temperature of the VVT driver circuit in the DME is monitored, and the system responds to overheating by reverting to VVT emergency mode operation - the vehicle continues to operate, but in throttled mode. Incorrect use of the pedal-position sensor

after Terminal 15 switch and/or always active if DME is awake. VVT driver circuit in the DME: Warning threshold 112 °C

Terminal 15 ON

none

immediately

none

Loose reluctor on VVT sensor. (Vibrations in position registration cause VVT driver circuit in the DME to overheat)
Failure in E-box fan caused by loose plug-in connection, open wire, defective E-box fan
DME not installed correctly in the EBO

If no abuse can be detected the following tests should be carried out

Check for correct reluctor attachment at VVT sensor.
Use tester to manually activate the E-box fan for acoustic check.
DME installed according to specification

ECE: No warning message. Engine in VVT emergency operation mode (throttled operation) US: OPEN

none

0x2D29

11561

Differential Pressure Sensor

Pressure

Differential pressure sensor monitor 6% < relative charge <120% -20 ° < intake air temperature < 85 °C 560 rpm < engine speed < 7200 rpm Time after start > 30s Active/inactive according to EVAP status

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -10 °C

4.4S

none

MIN fault (monitored manifold pressure (absolute) too low-Incorrect throttle valve angle-Vacuum sensor fault

1) Visual inspection of vacuum sensor plug contacts 2) Check connections on wiring to DME vacuum sensor 3) Check intake tract/crankcase for leakage (the crankcase vacuum control can allow air leaks from the crankcase into the intake manifold, for instance.

US: MIL ON

US only

0x2D29

11561

Differential Pressure Sensor

Pressure

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -10 °C

4.4S

none

MAX fault (monitored intake manifold pressure (absolute) too high)-Intake tract/crankcase vacuum leak-Incorrect throttle valve angle-Vacuum sensor fault

US: MIL ON

US only

0x2D07

11527

Throttle Position Sensor

A and B

Engine must be running

none

Terminal 15 ON

Voltage in onboard electrical system

none

250 ms

none

Contact resistance in wires to unit or in plug-in connections at throttle valve, electrical problem with throttle valve

1) Check: The sum of the throttle valve voltages must be 5 V, 2) Perform electrical check of wires from DME to throttle valve, 3) Visual examination of plug-in contacts (at component and DME ends and in wiring harness) 4) Component replacement

MIL control Switch to MIN-MAX selection to determine throttle valve angle when fault is present

Throttle valve voltages deviate by more than 0.6 V Attention: This fault can lead to an HFM fault, when throttle valve and HFM faults appear simultaneously there is no immediate need to proceed to an examination of the HFM

0x2D50

11600

No info.

Control module monitor No interruption of current to throttle valve Violation of activation conditions for internal speed controller

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Fault symptom: no deactivation possible; excess speed, brake activation, input at main switch

Check speed signal, brakelight switch, main cruise control switch. If frequency >=3 Replace DME

MIL OFF EML OFF CC: Cruise control Cruise controller is rejected

Internal cruise control monitor

0x2D2A

11562

Differential Pressure Sensor

Offset

Throttle valve open

0.2 sec.

in control module shutdown period

Voltage in onboard electrical system

none

3 sec.

none

Implausible signal from differential pressure sensor

1) Check to determine whether throttle valve operates correctly 2) Replace sensor

US: MIL ON ECE: No MIL

Differential pressure sensor signal fault

0x2C3D

11325

Oxygen Sensor, Front

Negative / Positive Current

none

0x2C3D

11325

Oxygen Sensor, Front

Negative / Positive Current

O2 sensor wiring monitor O2 sensor signal seizes. No faults stored in fault memory Drive at 50-80 km/h and moderate rpm

Voltage seizes at 2V (Lambda = 1) OR voltage < 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine at operating temperature

approximately 9 s with overrun injection

none

Sensor inactive, Open circuit in VG or IP wire, Catalyst contaminated (rich exhaust gas at O2 sensor during overrun injection deactivation); oil or gasoline in exhaust gases during overrun injection deactivation

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Repeatedly disconnected.

MIL ON

none

0x2C3E

11326

Oxygen Sensor, Front

Negative / Positive Current

none

0x2C3E

11326

Oxygen Sensor, Front

Negative / Positive Current

O2 sensor wiring monitor O2 sensor signal seizes. No faults stored in fault memory Drive at 50-80 km/h and moderate rpm

Voltage seizes at 2V (Lambda = 1) OR voltage < 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine at operating temperature

approximately 9 s with overrun injection.

none

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Repeatedly disconnected.

MIL ON

none

0x2C6D

11373

Oxygen Sensor, Rear

Response Time

O2 sensor aging test no secondary air injection, 0 < speed < 150 km/h

Switching time counter > 1.5 (sensor transition from rich to lean too slow)

Terminal 15, engine on

none

Coolant temperature > 50 °C

approximately 5 s after start

none

Excessive lag in O2 signal change from rich to lean when overrun injection deactivation assumes operation; excessive sensor lag owing to cooling; sensor too slow owing to aging

0. Was the temperature drop caused by external factors (driving into snow pile, ice on O2 sensor?) Thaw sensor, clear fault memory, continue driving!

Check O2 sensor heater: Excessive contact resistance at plug terminals and in wire (DME-wiring harness

MIL ON

none

0x2C6E

11374

Oxygen Sensor, Rear

Response Time

O2 sensor aging test no secondary air injection, 0 < speed < 150 km/h

Switching time counter > 1.5 (sensor transition from rich to lean too slow)

Terminal 15, engine on

none

Coolant temperature > 50 °C

approximately 5 s after start

none

Excessive lag in O2 signal change from rich to lean when overrun injection deactivation assumes operation; excessive sensor lag owing to cooling; sensor too slow owing to aging

0. Was the temperature drop caused by external factors (driving into snow pile, ice on O2 sensor?) Thaw sensor, clear fault memory, continue driving!

Check O2 sensor heater: Excessive contact resistance at plug terminals and in wire (DME-wiring harness)

MIL ON

none

0x2C7E

11390

Fuel System

Post Catalyst via Oxygen Sensor

Oxygen sensor trim control No faults stored in fault memory Drive at 50-80 km/h and moderate rpm

Excessive trim controller deviation; behind catalytic converter sensor voltage outside range around trim controller specification point with trim controller active (approximately < 0.2 V or approximately > 0.9 V)

Terminal 15, engine on

none

Engine at operating temperature

approximately 4 minutes

none

Defective wiring Leak in exhaust system Defective before catalytic converter or O2 sensor behind catalytic converter

This fault automatically triggers an active test (secondary fault stored in the fault memory! ).

Read out results of active test (are other faults still stored in the fault memory)? => Then proceed here!)
Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C7E

11390

Fuel System

Post Catalyst via Oxygen Sensor

No info.

0x2C7F

11391

Fuel System

Post Catalyst via Oxygen Sensor

Oxygen sensor trim control, No faults stored in fault memory, Drive at 50-80 km/h and moderate rpm

Terminal 15, engine on

none

Engine at operating temperature

approximately 4 minutes

none

Defective wiring Leak in exhaust system, Defective before catalytic converter or O2 sensor behind catalytic converter

This fault automatically triggers an active test (secondary fault stored in the fault memory! ).

Read out results of active test (are other faults still stored in the fault memory)? => Then proceed here!)
Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C7F

11391

Fuel System

Post Catalyst via Oxygen Sensor

No info.

0x2D28

11560

Differential Pressure Sensor

Electrical

Differential pressure sensor monitor Engine start completed

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

500 ms

none

Pin 5-33 shorted to positive or open circuit

1) Visual examination of plug-in contacts (at component and DME ends) 2) Electrical check on wire 3) Replace sensor

US: MIL ON ECE: No MIL

none

0x2D28

11560

Differential Pressure Sensor

Electrical

Differential pressure sensor monitor, Engine start completed

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

500 ms

none

Pin 5-33 shorted to ground

1) Visual examination of plug-in contacts (at component and DME ends) 2) Electrical check on wire 3) Replace sensor

US: MIL ON ECE: No MIL

none

0x2AAE

10926

No info.

Self-diagnosis from EKP module fault memory entry via CAN

none

0x2AAE

10926

No info.

Self-diagnosis from EKP module fault memory entry via CAN

none

0x2AAE

10926

No info.

Self-diagnosis from EKP module fault memory entry via CAN

none

0x2AAE

10926

No info.

Self-diagnosis from EKP module fault memory entry via CAN

none

0x2AAD

10925

No info.

none

0x2AA2

10914

Camshaft Position Sensor

Intake Signal

NW signal position detection monitor.

On every camshaft flank if the flank ratio was not in tolerance. (spikes on signal wire)

Terminal 15, engine on

none

Signal jitter makes intake camshaft tooth time too short

Check signal wire for short circuit to positive, ground, open wire and interference
Replace intake camshaft sensor

none

Signal interference

0x2E18

11800

No info.

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15ON

Voltage in onboard electrical system

Outside temperature > -9.8 °C

t > 5S

none

Voltage supply and ground connection for ignition system. Spark plug Ignition coil

Check wiring harness, ground connection and plug-in contacts. Visual inspection of spark plug, ignition coil (replace if damaged). After excluding all of these faults from consideration replace the control module.

none

0x2E19

11801

No info.

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15ON

Voltage in onboard electrical system

Outside temperature > -9.8 °C

t > 5S

none

Voltage supply and ground connection for ignition system. Spark plug Ignition coil

none

0x2E1A

11802

No info.

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15ON

Voltage in onboard electrical system

Outside temperature > -9.8 °C

t > 5S

none

Voltage supply and ground connection for ignition system. Spark plug Ignition coil

none

0x2E1B

11803

No info.

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately Voltage supply and ground connection for ignition system. Check wiring harness, ground connection and plug-in contacts. Visual inspection of spark plug, ignition coil

0x2E1C

11804

No info.

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

Outside temperature > -9.8 °C

t > 5S

none

Voltage supply and ground connection for ignition system. Spark plug Ignition coil

none

0x2E1D

11805

No info.

Engine on, start phase completed, crankshaft absolves 48 revolutions after start (corresponding to approximately 5 sec. at idle), dual ignition off, secondary sparks off

Segment synchronization

Terminal 15 ON

Voltage in onboard electrical system

Outside temperature > -9.8 °C

t > 5S

none

Voltage supply and ground connection for ignition system. Spark plug Ignition coil

none

0x2AA3

10915

Camshaft Position Sensor

Exhaust Signal

NW signal position detection monitor.

On every camshaft flank if the flank ratio was not in tolerance. (spikes on signal wire)

Terminal 15, engine on

none

Signal jitter makes exhaust camshaft tooth time too short

Check signal wire for short circuit to positive, ground, open wire and interference
Replace intake camshaft sensor

none

Signal interference

0x2E69

11881

Knock Sensor

Sensor 2

Yes, by event counter. If knock sensor signal remains below threshold (differential knock signal > 4.8 V) for 1...3 sec. fault code is stored

Terminal 15, engine on

Voltage in onboard electrical system

none

min 1 sec., max 3 sec.

none

Knock sensor signal too low. Threaded sensor connection is loose or wire connecting knock sensor 1 to engine-management ECU is open.

Check knock sensor connection to verify that it is tight.
Check wire between knock sensor 1 and engine management ECU.
Check whether connection is present between knock sensor 1 and ground/positive.
Replace knock sensor

none

No knock control available. Performance loss as engine reverts to operation in safe range.

0x29DA

10714

Crankshaft Position Sensor

Signal

No info.

0x2DE2

11746

Fuel Level Sensor

Signal

No info.

0x2DE1

11745

Fuel Level Sensor

Signal

No info.

0x29DC

10716

No info.

0x2A03

10755

Secondary Air System

Pump

Control activation monitor, in poststart phase when pump is triggered

0.5 sec. with pump active 5 sec. if inactive

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec. with pump active 5 sec.

none

Short to ground in relay activation circuit

1) Electrical check on wire 2) Visual examination of plug-in contacts (at component and DME ends) 3) Use tester to trigger components 4) Relay replacement

MIL ON

Relay triggers secondary air-injection pump, initialization"

0x2A03

10755

Secondary Air System

Pump

Control activation monitor, in poststart phase when pump is triggered

0.5 sec. with pump active 5 sec. if inactive

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec. with pump active 5 sec.

none

Short to positive in relay activation circuit

1) Electrical check on wire 2) Visual examination of plug-in contacts (at component and DME ends) 3) Use tester to trigger components 4) Relay replacement

MIL ON

Relay triggers secondary air-injection pump, initialization"

0x2D06

11526

Mass Air Flow

General

Mass airflow monitor 6% < relative charge <120% -20° < intake air temperature < 85 °C 560 rpm < engine speed < 7200 rpm Time after start > 30s Active/inactive according to EVAP status

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -10 °C

6.2S

none

MIN fault (HFM reading too low)-HFM signal shunt in wiring-Intake tract vacuum leak/crankcase-for instance, oil filler cap open-for instance, vacuum leak in intake system - for instance, brake booster leak - HFM sensor fault - Second

1) Visual inspection of HFM plug contacts 2) Check wiring connecting HFM-DME 3) Check intake tract/crankcase for leaks (crankcase vacuum control system can allow excess air to enter the intake manifold, for instance, owing to leaks from the vacuum hose

MIL ON

none

0x2D09

11529

Throttle Control

Air Supply

No info.

0x2D06

11526

Mass Air Flow

General

Mass airflow monitor 6% < relative charge <120% -20° < intake air temperature < 85 °C 560 rpm < engine speed < 7200 rpm Time after start > 30s Active/inactive according to EVAP status

0.2 sec.

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -10 °C

6.2S

none

MAX fault (HFM reading too high) - HFM signal shunt in wiring - HFM sensor fault - Incorrect DISA position as secondary fault - Incorrect stroke reading as secondary fault

MIL ON

none

0x2A18

10776

EVAP System

DMTL Heater

Control monitoring when DMTL heater is being triggered

5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2AE4

10980

No info.

Blowby relay activation-control monitor

from 10 sec. after engine start

Terminal 15 ON

Voltage in onboard electrical system

Intake air < 5 degrees

5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, check component

none

Only the control-activation circuit for the relay is monitored and not the actual coil.

0x2AE4

10980

No info.

Blowby relay activation-control monitor

from 10 sec. after engine start

Terminal 15 ON

Voltage in onboard electrical system

Intake air < 5 degrees

5 sec.

none

Wire shorted to ground or short to ground in component.

2. Check wire and repair if not satisfactory. If satisfactory, check component

none

Only the control-activation circuit for the relay is monitored and not the actual coil.

0x2AE4

10980

No info.

Blowby relay activation-control monitor

from 10 sec. after engine start

Terminal 15 ON

Voltage in onboard electrical system

Intake air < 5 degrees

5 sec.

none

Open wire or defective fuse leading to relay

Check relay fuse
Check wire and repair if not satisfactory. If satisfactory, check component

none

Only the control-activation circuit for the relay is monitored and not the actual coil.

0x2A18

10776

EVAP System

DMTL Heater

Control monitoring when DMTL heater is being triggered

5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

5 sec.

none

Short to ground

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2A18

10776

EVAP System

DMTL Heater

Control monitoring when DMTL heater is being triggered

5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

5 sec.

none

Short to positive

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2A17

10775

EVAP System

Pump Current

DMTL component monitor

Following completion of DMTL check

Terminal 15 ON

10.95< vehicle electrical system v

1.5 °C > Ambient temperature > 38

Following completion of DMTL check

none

Valve in DMTL defective

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A17

10775

EVAP System

Pump Current

DMTL component monitor

After DMTL check is triggered 2 times

Terminal 15 ON

10.95< vehicle electrical system v

1.5 °C > Ambient temperature > 38

After DMTL check is triggered 2 time

none

Moisture in the DMTL / DMTL heater defective

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A17

10775

EVAP System

Pump Current

DMTL component monitor

Roughly 1 minute after DMTL check is triggered

Terminal 15 ON

10.95< vehicle electrical system v

1.5 °C > Ambient temperature > 38

Roughly 1 minute after DMTL check

none

Pump motor current too low, pump defective

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A17

10775

EVAP System

Pump Current

DMTL component monitor

Roughly 1 minute after DMTL check is triggered

Terminal 15 ON

10.95< vehicle electrical system v

1.5 °C > Ambient temperature > 38

Roughly 1 minute after DMTL check

none

Pump motor current too high, pump resistance, locks up

Replace DMTL

MIL ON

Installed in US only (initialization version)

0x2A03

10755

Secondary Air System

Pump

Control activation monitor, in poststart phase when pump is triggered

0.5 sec. with pump active 5 sec. if inactive

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec. with pump active 5 sec.

none

Interruption of relay activation current

1) Electrical check on wire 2) Visual examination of plug-in contacts (at component and DME ends) 3) Use tester to trigger components 4) Relay replacement

MIL ON

Relay triggers secondary air-injection pump, initialization

0x2AAB

10923

No info.

DISA controller engine speed > 500 rpm

occurs twice for 5 sec. each time

Terminal 15 ON

Voltage in onboard electrical system

Ambient temperature > -20 °C

5 sec.

none

Fault in electronic valve control Valve seizing mechanically; friction in valve

Replace the corresponding DISA valve

none

Not in B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AAC

10924

No info.

DISA controller engine speed > 500 rpm

occurs twice for 5 sec. each time

Terminal 15 ON

Voltage in onboard electrical system

Ambient temperature > -20 °C

5 sec.

none

Fault in electronic valve control Valve seizing mechanically; friction in valve

Replace the corresponding DISA valve

none

Not in B30UL, performance loss in various rpm ranges; lower torque curve

0x2AAA

10922

No info.

6% < relative charge <120% 560 rpm < engine speed < 7200 rpm Time after start > 30s EVAP active/inactive has no effect = high load demand supplementary limit on intake air Intake air temperature = +60 °C maximum Intake air temperature = +0 °C minimal

none

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -10 °C 0

1.1 sec.

none

No pressure pulses in intake manifold prior to low switching speed (3200 rpm) or pulsations present after low switching speed, Valves are failing to close completely or are leaking

Remove DISA valves (both, because DISA 1/2 cannot be evaluated separately) and check the valves - Are valves present? - Are seals and gaskets present? - Are seals and gaskets OK? - Does valve open/close completely?

none

0x2AAA

10922

No info.

none

Terminal 15, engine on

Voltage in onboard electrical system

Coolant temperature > -10 °C 0

1.1 sec.

none

No pressure pulses in intake manifold before high switching rpm (roughly 4400 rpm) or pulsation present after high switching rpm, Valves are failing to close completely or are leaking

none

0x2AA8

10920

DISA (Differentiated Intake Manifold)

Electrical

DISA controller control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Open circuit

Check voltage supply to valve. (If positive power to the valve is missing or intermittent this fault code will be stored.)
Check wire and repair if not satisfactory. If satisfactory, check component

none

Not in B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AA9

10921

DISA (Differentiated Intake Manifold)

Electrical

DISA controller 2 control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Open circuit

Check voltage supply to valve. (If positive power to the valve is missing or intermittent this fault code will be stored.)
Check wire and repair if not satisfactory. If satisfactory, check component

none

Not in B25UL and B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AA8

10920

DISA (Differentiated Intake Manifold)

Signal

DISA controller control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

5.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, check component

none

Not in B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AA9

10921

DISA (Differentiated Intake Manifold)

Signal

DISA controller 2 control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

5.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, check component

none

Not in B25UL and B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AA8

10920

DISA (Differentiated Intake Manifold)

Signal

DISA controller control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, check component

none

Not in B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AA9

10921

DISA (Differentiated Intake Manifold)

Signal

DISA controller 2 control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, check component

none

Not in B25UL and B30UL_US performance loss in various rpm ranges; lower torque curve

0x2AC6

10950

No info.

only with CAN-11 onboard network

none

Terminal 15 ON

none

500 ms

none

Sensor wire shorted to positive or open circuit in wire

1) Perform electrical check on switch wire and power wires 2) Visual examination of plug-in contacts (at component and DME ends) 3) Switch replacement

none

Voltage range diagnosis

0x2AC6

10950

No info.

only with CAN-11 onboard network

none

Terminal 15 ON

none

500 ms

none

Short to ground in switch wire

1) Perform electrical check on switch wire and power wires 2) Visual examination of plug-in contacts (at component and DME ends) 3) Switch replacement

none

Voltage range diagnosis

0x2A99

10905

Crankshaft / Camshaft Position Sensor

Exhaust

NW signal position detection monitor.

On every camshaft flank when the flank was outside tolerance. Following successful synchronization.

Terminal 15, engine on

none

Invalid adaptation figure for exhaust camshaft relative to crankshaft

Check timing adjustment on crankshaft reluctors
Check timing chain and chain tensioner.

none

Installation fault or mechanical problem in valvetrain

0x2A98

10904

Crankshaft / Camshaft Position Sensor

Intake

NW signal position detection monitor.

On every camshaft flank when the flank was outside tolerance. Following successful synchronization.

Terminal 15, engine on

none

Invalid adaptation figure for intake camshaft relative to crankshaft

Check timing adjustment on crankshaft reluctors
Check timing chain and chain tensioner.

none

Installation fault or mechanical problem in valvetrain

0x2AE0

10976

Idle Speed Control

Cold Start RPM

No info.

0x2AE0

10976

Idle Speed Control

Cold Start RPM

No info.

0x2DB6

11702

No info.

Can 11 vehicle (E46, E85, E83)
Multifunction steering wheel present
MFL button S/B or VE pressed

none

Terminal 15 ON

Voltage in onboard electrical system

none

800 ms

none

Internal short circuit between '+' and '-' buttons in MFL module, or mechanical defect allowing simultaneous operation.

1) Visual inspection of MFL module (buttons: '+' and '-') 2) Replace MFL module

none

Cruise control deactivated. Simultaneous pressure on '+' and '-' buttons detected

0x2DB5

11701

No info.

Can 11 vehicle (E46, E85, E83)
Multifunction steering wheel present
MFL button WA, S/B or OFF pressed

none

Terminal 15 ON

Voltage in onboard electrical system

none

800 ms

none

Defective MFL module

Replace MFL module

none

Cruise control deactivated. Redundancy fault in transmission from cruise control user controls

0x2DBE

11710

No info.

Terminal 15 ON, ACC recognized

none

Terminal 15 ON

Voltage in onboard electrical system

none

100 ms

none

Throttle valve fault, accelerator pedal fault, torque demand from ACC despite pressure on brake pedal

Check fault memory for stored faults related to internal fault sources within DME (see at left). Otherwise check ACC control module.

ACC operation locked out for entire driving cycle

ACC interface deactivated for entire driving cycle

0x2DC0

11712

No info.

LDM recognized

none

Terminal 15 ON

none

500 ms

none

LDM fails to deactivate despite pressure on brake pedal

Check LDM and brakelight switch/wiring

none

Only from program version 600 onward

0x2DC3

11715

No info.

none

Terminal 15 ON

Voltage in onboard electrical system

none

2200 ms

none

Wake-up wire has short circuit to positive

Check wake-up line.

none

0x2DBE

11710

No info.

Terminal 15 ON, ACC recognized

none

Terminal 15 ON

Voltage in onboard electrical system

none

100 ms

none

Crankshaft fault, clutch switch fault, brakelight switch fault, CAN timeout on DSC, ACC, instrument cluster or EGS

Check fault memory for stored faults related to internal fault sources within DME (see at left).

ACC operation cancelled while fault is active

Temporary deactivation of ACC interface

0x2DC3

11715

No info.

none

Terminal 15 ON

Voltage in onboard electrical system

none

2200 ms

none

Wake-up wire has short circuit to positive

Check wake-up line.

none

0x2DB7

11703

No info.

Can 11 vehicle (E46, E85, E83)
Multifunction steering wheel present
Any MFL button depressed

none

Terminal 15 ON

Voltage in onboard electrical system

none

1700 ms

none

Defective MFL module, open PIN 2-04 wire

1) Visual examination of plug-in contacts (at component and DME ends) 2) Electrical check on wire 3) Replace MFL module

none

Cruise control deactivated. No signal received from MFL module

0x2DC0

11712

No info.

LDM recognized

none

Terminal 15 ON

Voltage in onboard electrical system

none

80 ms

none

LDM transmits implausible request

Check LDM and replace as indicated

none

Only from program version 600 onward

0x2DC3

11715

No info.

none

Terminal 15 ON

Voltage in onboard electrical system

none

2200 ms

none

Terminal status is wake-up wire implausible

Check CAS and wake-up wire

none

0x2DC3

11715

No info.

none

Terminal 15 ON

Voltage in onboard electrical system

none

2200 ms

none

Message terminal status is invalid

Check CAS

none

0x2DEC

11756

Powermanagement

Electrical

Deep discharge: Battery sensor data recognized under all conditions.

Deep discharge: 60 seconds at less than 9.52 V

none

Onboard electrical system voltage

none

60S

none

High energy consumption in parked vehicle leads to battery damage.

Conduct energy diagnosis: - Check control modules for standby current faults. - Check battery, replace as indicated.

none

0x2DEC

11756

Powermanagement

Electrical

Power management defect Implausible calculated SOC IBS comm. Fault IBS version fault

0.1 sec.

Terminal 15, engine on

Voltage in onboard electrical system

none

60S

none

No measurement of standby current possible, IBS fault

Check control modules for standby current faults. Replace IBS.

none

0x2DEB

11755

Powermanagement

Electrical

Overvoltage with engine running

Voltage in onboard electrical system > K_OSPGAPP (16V) for 10s

Terminal 15, engine on

Voltage in onboard electrical system

none

10 sec.

none

Defective alternator

Perform alternator diagnosis.

none

0x2DEB

11755

Powermanagement

Electrical

Low voltage while engine is running

Onboard electrical system voltage < K_USPGAPP (10.5 V) for 10s

Terminal 15, engine on

Onboard electrical system voltage

none

10 sec.

none

Defective alternator

Perform alternator diagnosis.

none

0x2DEB

11755

Powermanagement

Electrical

Engine operated without battery connected Voltage fluctuations stemming from poor battery connections

Onboard electrical system voltage < K_USPGAPP (10.5 V) for 10s

Terminal 15, engine on

Substantial voltage fluctuations (10)

none

approximately 200 ms

none

Battery not correctly connected.

Check battery terminals

CC status report 'Check battery terminals'

none

0x2DED

11757

Powermanagement

Electrical

Standby current violation: Standby current draw exceeds approved level. Standby current is calculated only when ISD-BSD communications are not present - vehicle in sleep mode.

Vehicle in sleep mode

none

High energy draw when parked

Conduct energy diagnosis

CC status report 'High battery discharge rate when parked'

none

0x2DC8

11720

Communication

TCM

EGS detected

5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

5 sec.

none

Timeout on EGS message

Check CAN link to EGS control module

none

0x2DD3

11731

Communication

TCM

SMG recognized

0.8

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

SMG message timeout

Check CAN links to SMG control module

none

0x2DD0

11728

Communication

Instrument Pack

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR2 message stored

20 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message INSTR2 possible.

Check CAN links between instrument cluster and DME

none

Timeout on INSTR2 CAN message

0x2DD1

11729

Communication

Instrument Pack

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR3 message stored

20 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message INSTR3 possible.

Check CAN links between instrument cluster and DME

none

Timeout INSTR3 CAN message

0x2DCC

11724

Communication

ASC

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
ASR 1 Message stored

0.8 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message ASC1 possible.

Check CAN link between DSC and DME

none

Timeout on ASC1 CAN message

0x2DCD

11725

Communication

ASC

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
ASR 3 Message stored

0.8 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message ASC3 possible.

Check CAN link between DSC and DME

none

Timeout on ASC3 CAN message

0x2DCE

11726

Communication

ASC

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
ASR 4 Message stored

0.8 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message ASC4 possible.

Check CAN link between DSC and DME

none

Timeout on ASC4 CAN message

0x2D5C

11612

ECM Self-Test

AD-Converter

AD converter monitor

Comparison of two AD converter results

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

AD converter monitor

0x2D1D

11549

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

220 ms

none

Voltage supply for Channel 1 shorted to ground, defective voltage regulator, main relay response lag

1) Check fault memory for throttle valve fault and/or check main relay, replace main relay as indicated 2) Check supply wire for short circuit to ground (measure in PWG as well), 3) Replace the DME

CC status report: Reduced engine power! EML ON limited PW gradient and PW limited over rpm

ATTENTION: This fault can produce the collateral problems throttle valve fault and HFM fault characterized by the symptom 'short to ground'. When relay is defective the fault appears together with throttle valve fault, the symptom being short circuit

0x2D1E

11550

Pedal Position Sensor

E Electrical

Pedal-position sensor monitor

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

220 ms

none

Voltage supply for Channel 2 shorted to ground, defective voltage regulator, main relay response lag

1) Check fault memory for throttle valve fault and/or check main relay, replace main relay as indicated 2) Check supply wire for short circuit to ground (measure in PWG as well), 3) Replace the DME

CC status report: Reduced engine power! EML ON limited PW gradient and PW limited over rpm

When relay is defective the fault appears together with throttle valve fault, the symptom being 'short circuit to ground', and fault in voltage supply to pedal-position sensor Channel 2.

0x2CFB

11515

Throttle Actuator

Adaptation

at time of adaptation request

none

Terminal 15 ON

none

Intake air temperature > -10 °C or

80 ms after Terminal 15 ON

none

Violation of adaptation conditions prior to completion of adaptation routine: Terminal 15 off or Vehicle electrical system voltage < 10 V or Engine speed > 32 rpm or Speed > 2km/h or Throttle valve fault or Throttle valve control PWM fault

1) Check adaptation conditions, following confirmation proceed to terminal switch

CC status report: Reduced engine power! MIL ON Throttle valve emergency operation + engine speed limited to 1300 rpm

Adaptation condition monitor

0x2CFB

11515

Throttle Actuator

Adaptation

Terminal change and request for adaptation

none

Terminal 15 ON

Voltage in onboard electrical system

Intake air temperature > -10 °C or

none

Not possible to initialize for emergency air position: Contact resistance in plug-in connection, Throttle valve seizing mechanically or electrical problem

1) Check: The sum of the throttle valve voltages must be 5 V, 2) Perform electrical check on wires to throttle valve sensors, Visual examination of plug-in contacts (at component and DME ends and in wiring harness), 3) Component fault improbable, replace

CC status report: Reduced engine power! MIL ON EMB + rpm governed to 1300 rpm

Emergency air position adaptation monitor

0x2CFC

11516

Throttle Actuator

Adaptation

Switch terminals

1 sec.

Terminal 15 ON

Voltage in onboard electrical system

Intake air temperature > -10 °C

none

System fails spring test: Problem with voltage supply, Mechanical seizure on throttle valve or defective throttle valve motor

1) Check engine-management system fuses (5-slot fuse box in Ebox), 2) Perform electrical check on wiring to throttle valve sensors and throttle valve motor, 3) Visual examination of plug-in contacts (at component and DME ends and in wiring harness)

CC status report: Reduced engine power! MIL ON EMB + rpm governed to 1300 rpm

Spring test, actually test to determine whether throttle valve is seizing

0x2CFE

11518

Throttle Actuator

Adaptation

No info.

0x2CEF

11503

Throttle Actuator

Power Stage

Throttle valve test, Engine must be running, Throttle valve must be under current

none

Terminal 15 ON

none

75 ms

none

Problem with voltage supply, Short circuit in wiring, Defect in throttle valve driver circuit

1) Check engine-management system fuses (5-slot fuse box in Ebox), 2) Check wires (5-15, 5-16) for mutual short circuits, 3) Replace DME

CC status report: WAL_1, reduced engine power! MIL control through lv_err_tps_obd, Operation on emergency air if emergency air position reached, otherwise EMB + engine speed governed to 1300 rpm

Driver circuit self-diagnosis

0x2CEE

11502

Throttle Actuator

Position Control

Throttle valve test. Engine must be running. The throttle valve adaptation routine should not be running. The throttle valve positioner must be under current. No emergency operation.

less than 1 s

Terminal 15 ON

none

Problem with voltage supply, Mechanical seizure in throttle valve

1) Check engine-management system fuses (5-slot fuse box in Ebox), 2) Visual inspection of contacts on throttle valve plug, 3) Check throttle valve for friction, replace component as indicated

CC status report: WAL_1, reduced engine power! MIL control through lv_err_tps_obd, Operation on emergency air if emergency air position reached, otherwise EMB + engine speed governed to 1300 rpm

Control deviation TPS_SP to TPS_AV for longer than 1s in excess of 10°TPS

0x2CEC

11500

Throttle Actuator

Throttle Stuck

No info.

0x2CED

11501

Throttle Actuator

Throttle Stuck

Throttle valve test. Engine must be running. The throttle valve adaptation routine should not be running. The throttle valve positioner must be under current. No emergency operation.

1 sec.

Terminal 15 ON

none

Problem with voltage supply, Mechanical seizure in throttle valve.

1) Check engine-management system fuses (5-slot fuse box in Ebox), 2) Visual examination of contacts on throttle valve plug and electrical check of throttle valve motor wires, 3) Check throttle valve for friction, replace component as indicated.

CC status report: WAL_1, reduced engine power! MIL control through lv_err_tps_obd, Operation on emergency air if emergency air position reached, otherwise EMB + engine speed governed to 1300 rpm.

Pulse-duty factor for control of throttle valve motor exceeds 1s over 99%

0x2CFB

11515

Throttle Actuator

Adaptation

Terminal change and request for adaptation

none

Terminal 15 ON

Voltage in onboard electrical system

Intake air temperature > -10 °C or

none

System unable to initialize for lower mechanical travel stop position: Contact resistance in plug-in connection, Contamination on throttle valve, mechanical seizure or electrical problem

CC status report: Reduced engine power! MIL ON EMB + rpm governed to 1300 rpm

Lower mechanical travel stop monitor

0x2CFD

11517

Throttle Actuator

Adaptation

Switch terminals

1 sec.

Terminal 15 ON

Voltage in onboard electrical system

Intake air temperature > -10 °C or

none

Not possible to initialize for emergency air position: Contact resistance in plug-in connection, Throttle valve seizing mechanically or electrical problem

1) Note any secondary fault in basic adaptation routine, 2) Check: Sum of throttle valve voltages must be 5 V (INPA), 3) Perform electrical check on wiring to throttle valve sensors, visual examination of plug-in contacts (on components, in wiring harness)

CC status report: Reduced engine power! MIL ON EMB + rpm governed to 1300 rpm

Not possible to initialize for emergency air position, leading to demand for basic adaptation

0x2CFB

11515

Throttle Actuator

Spring Test

Terminal change and request for adaptation

none

Terminal 15 ON

Voltage in onboard electrical system

Intake air temperature > -10 °C or

none

Emergency air position outside tolerance range or spring test failed: Problem with voltage supply. Contact resistance in plug-in connection, Throttle valve seizing mechanically or electrical problem.

1) Check engine-management system fuses (5-slot fuse box in Ebox), 2) Check: The sum of the throttle valve voltages must be 5 V, 3) Perform electrical check on wiring to throttle valve sensors and throttle valve motor, 4) Visual examination of plug-in con

CC status report: Reduced engine power! MIL ON EMB + rpm governed to 1300 rpm

Spring test and check on emergency air position

0x2CFC

11516

Throttle Actuator

Adaptation

Switch terminals

1 sec.

Terminal 15 ON

Voltage in onboard electrical system

Intake air temperature > -10 °C or

none

Emergency air position outside approved tolerance range: Contact resistance in plug-in connection, Electrical problem with throttle valve or mechanical seizure

1) Check: The sum of the throttle valve voltages must be 5 V, 2) Perform electrical check on wiring to throttle valve sensors, 3) visual examination of plug-in contacts (on components, in wiring harness and at DME), 3) Component fault improbable, replace

CC status report: Reduced engine power! MIL ON EMB + rpm governed to 1300 rpm

Check emergency air position

0x2AB3

10931

ECM/TCM

Checksum

Boot software monitor After system start and with ignition on

No debounce. Fault can be reset by clearing fault memory. However, a successful diagnostic cycle must be completed before the fault can be deleted. This can take several minutes

Terminal 15 ON

none

Fault in boot software (program code) Incorrect software version has been flash programmed

Flash program correct program version.

none

Engine operation no longer possible

0x2AB3

10931

ECM/TCM

Checksum

Application software program monitor (development only)

none

Fault in boot software (program code) Incorrect software version has been flash programmed

Flash program correct program version.

none

Engine operation no longer possible

0x2AB3

10931

ECM/TCM

Checksum

Application software program monitor (development only)

none

Fault in application data (data file) Incorrect software revision has been flash programmed

Flash program correct software revision.

none

Engine operation no longer possible

0x2AB4

10932

No info.

RAM checksum test. Test executed just one time, during control module boot.

No debounce. Fault can be reset by clearing fault memory.

Immediately after wakeup in dormant control module

none

Defective data sector in DME's internal EEPROM.

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to return to completely dormant status
Ignition on
Read out stored faults

none

Possible loss of adaptation data. The following procedure can be used to reprogram the adaptation data

Delete all adaptation data
Ignition off/on
Drive vehicle briefly. Adaptation data are reprogrammed automatically.

0x2AB5

10933

ECM/TCM

Knock Sensor

Knock sensor chip monitor Engine speed >320 rpm

Yes, by event counter. Fault must occur ten times before a fault memory entry is made.

Terminal 15, engine on

none

Interference at internal DME data bus (SPI_BUS) for processing chip for the knock sensors.

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to return to completely dormant status
Ignition on
Read out stored faults

none

No knock control available. Performance loss as engine reverts to operation in safe range.

0x2AB6

10934

ECM/TCM

Multiple Output Stage

Driver circuit monitor

Yes, by event counter. Fault must occur ten times before a fault memory entry is made.

Terminal 15 ON

none

Interference at internal DME data bus (SPI_BUS) for activation of driver circuits.

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory
Ignition off, allow vehicle to return to completely dormant status
Ignition on
Read out stored faults

none

No control activation possible from some DME output terminals.

0x2D50

11600

No info.

Control module monitor No interruption of current to throttle valve ACC/DCC initialized. Interface fails to recognize implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, ACC/DCC control module. If frequency >=3 Replace DME

MIL OFF EML OFF CC: Cruise control Cruise controller is rejected

ACC/DCC torque demand monitor

0x2D50

11600

No info.

Control module monitor. No interruption of current to throttle valve, LDM initialized. Interface fails to recognize implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, LDM control module. If frequency >=3 Replace DME

MIL OFF EML OFF CC: Cruise control Cruise controller is rejected

LDM torque demand monitor

0x2D51

11601

ECM Self-Test

HFM

Airflow path monitor. No interruption of current to throttle valve. Comparison of model mass airflow from injection quantity with calculated mass airflow.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

Injection quantity too low/high, implausible lambda signal, vacuum leak, internal control-module fault

Check fuel and airflow paths (vacuum leak, lambda controller, FSD fault code entries). If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Mass airflow monitor

0x2D51

11601

ECM Self-Test

Throttle Valve

Airflow path monitor No interruption of current to throttle valve. Comparison of throttle valve potentiometer voltages above threshold.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Throttle valve fault not detected by diagnosis, internal control-module fault.

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Throttle valve potentiometer monitor

0x2D52

11602

ECM Self-Test

RPM

Control module monitor. System compares model rpm from segment period with crankshaft rotation rate.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

RPM monitor

0x2D55

11605

ECM Self-Test

Pedal Position Sensor

Control module monitor. Comparison of PWG sensor voltages above threshold.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

PWG fault not detected by diagnosis, internal control module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

none

0x2D56

11606

ECM Self-Test

Idle Speed Control

Control module monitor No interruption of current to throttle valve. If LL controller I element is implausible or idle defined by LL controller too high

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Idle controller I element monitor

0x2D56

11606

ECM Self-Test

Idle Speed Control

Control module monitor. No interruption of current to throttle valve. If LL controller PD element is implausible or idle defined by LL controller too high.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Idle controller PD element monitor

0x2D57

11607

No info.

Control module monitor. No interruption of current to throttle valve. Interface fails to recognize implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, MSR control module. If frequency >=3 Replace DME

MIL OFF EML OFF CC: ??? DSC rejected

MSR demand monitor

0x2D57

11607

No info.

Control module monitor. Interface fails to recognize implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, MSR control module. If frequency >=3 Replace DME

MIL OFF EML OFF CC: ??? SMG rejected

SMG demand monitor

0x2D57

11607

No info.

Control module monitor. Interface fails to recognize implausible torque demand.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Unrecognized implausible torque demand, internal control-module fault

Check CAN, MSR control module. If frequency >=3 Replace DME

MIL OFF EML OFF CC: ??? EGS rejected

EGS demand monitor

0x2D58

11608

ECM Self-Test

Clutch Torque

Control module monitor. No interruption of current to throttle valve. Calculated maximum clutch torque too high.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Maximum clutch torque monitor

0x2D58

11608

ECM Self-Test

Clutch Torque

Control module monitor. No interruption of current to throttle valve

Calculated minimum clutch torque too high

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Maximum clutch torque monitor

0x2D58

11608

ECM Self-Test

Torque Loss

Control module monitor. No interruption of current to throttle valve. Torque loss monitor

Calculated torque loss too high

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault, implausible thermal conditions

Check temperature sensors. If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Torque loss monitor

0x2D58

11608

ECM Self-Test

Driving Dynamics

always SPORT button monitor

Sport button voltages implausible and not recognized by diagnosis

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Sport button monitor

0x2D59

11609

ECM Self-Test

Engine Torque

No interruption of current to throttle valve

Driver torque demand exceeded by threshold (limit?)

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault, major variation between specified and actual mass airflow

Check mass airflow system (vacuum leak, VVT, VANOS, throttle valve...). If frequency >=3 Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction RPM limited to 1300 rpm

Current induced engine torque monitor

0x2D5A

11610

No info.

No interruption of current to throttle valve.

Driver demand for torque exceeded by threshold => Torque limitation after 3 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

3 sec.

none

Internal control-module fault, major variation between specified and actual mass airflow

Check mass airflow system (vacuum leak, VVT, VANOS, throttle valve...)

MIL OFF EML OFF Brief torque limitation

Limit on current induced engine torque

0x2D53

11603

ECM Self-Test

RPM Limitation

Control module monitor. Violation of currently defined rpm limit with injection still active.

480 ms

Terminal 15 ON

Voltage in onboard electrical system

none

480 ms

none

Internal control-module fault

Replace DME

MIL OFF EML ON CC: Power loss, engine malfunction Reset, rpm limited to 1300 rpm

RPM governor monitor

0x2D54

11604

No info.

Control module monitor. Reset trigger causes fault entry.

none

Terminal 15 ON

Voltage in onboard electrical system

none

Internal control-module fault

Replace DME

none

Reset from rpm governor monitor

0x2ACC

10956

ECM/PCM Power Relay

Switching Delay

Main relay monitor. Wakeup after vehicle in dormant mode.

none

Terminal 15 ON

Voltage in onboard electrical system

none

System responds to fault by storing DTC.

none

Main relay engagement may be delayed owing to thermal conditions. (material defect, contamination on component)

Replace component

none

0x2DE0

11744

No info.

EKP recognized

none

Terminal 15 ON

Voltage in onboard electrical system

none

40 sec.

none

Unable to receive CAN message.

Check CAN link between EKP and DME

none

Timeout on CAN message

0x2DD3

11731

Communication

TCM

SMG recognized

0.8

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

Incorrect alive counter in CAN message

Check SMG and replace as indicated (fault in SMG control module)

MIL ON

Incorrect SMG check sum transmission

0x2DE1

11745

Fuel Level Sensor

Electrical

No info.

0x2DE1

11745

Fuel Level Sensor

Electrical

No info.

0x2A80

10880

Camshaft Position Actuator

Intake

VANOS activation-control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2A80

10880

Camshaft Position Actuator

Intake

VANOS activation-control monitor Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2A85

10885

Camshaft Position Actuator

Exhaust

VANOS activation-control monitor. Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Wire shorted to ground or short to ground in component.

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2A85

10885

Camshaft Position Actuator

Exhaust

VANOS activation-control monitor. Engine speed > 500 rpm

none

Terminal 15, engine on

Voltage in onboard electrical system

none

0.5 sec.

none

Short to positive in wire or short to positive in component

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

none

0x2C31

11313

Fuel System

Post Catalyst

Oxygen sensor trim control No faults stored in fault memory Drive at 50 - 80 km/h and moderate rpm

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1 - 2 h steady-state operation

none

Defective wiring. Leak in exhaust system. Defective before catalytic converter or O2 sensor behind catalytic converter.

This fault automatically triggers an active test (secondary fault stored in the fault memory! ).

Read out results of active test (are other faults still stored in the fault memory)? => Then proceed here!)
Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C31

11313

Fuel System

Post Catalyst

Oxygen sensor trim control.No faults stored in fault memory. Drive at 50-80 km/h and moderate rpm.

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1-2 h steady-state operation

none

O2 sensor before catalytic converter drift. Defective O2 sensor behind catalytic converter wiring. Leak in exhaust system. Defective before catalytic converter or O2 sensor behind catalytic converter.

This fault automatically triggers an active test (secondary fault stored in the fault memory! ).

Read out results of active test (are other faults still stored in the fault memory)? => Then proceed here!)
Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C32

11314

Fuel System

Post Catalyst

Oxygen sensor trim control. No faults stored in fault memory. Drive at 50-80 km/h and moderate rpm.

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1-2 h steady-state operation

none

Defective wiring. Leak in exhaust system. Defective before catalytic converter or O2 sensor behind catalytic converter

This fault automatically triggers an active test (secondary fault stored in the fault memory! ).

Read out results of active test (are other faults still stored in the fault memory)? => Then proceed here!)
Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C32

11314

Fuel System

Post Catalyst

Oxygen sensor trim control. No faults stored in fault memory. Drive at 50-80 km/h and moderate rpm.

Trim controller pegged

Terminal 15, engine on

none

Engine at operating temperature

1-2 h steady-state operation

none

Defective wiring. Leak in exhaust system .Defective before catalytic converter or O2 sensor behind catalytic converter.

This fault automatically triggers an active test (secondary fault stored in the fault memory! ).

Read out results of active test (are other faults still stored in the fault memory)? => Then proceed here!)
Initiate system test for reversed O2 sensors.

MIL ON

none

0x2D1F

11551

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

220 ms

none

Dual fault in pedal-position sensor

1) Read out the fault memory for the two faults causing the problem 2) Proceed according to the correct test plan, 3) Check main relay and voltage supply to entire vehicle, 4) Replace DME

CC status report: Reduced engine power! EML ON, MIL ON, PW = 0, with faster idle if brake pedal is not depressed

Pedal reading 0, slightly high idle if brake pedal is not depressed

0x2D1B

11547

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor No fault currently entered

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

240 ms

none

Sensor wire shorted to ground or open circuit in wire

1) Perform electrical check on sensor wire and supply lines 2) Visual examination of plug-in contacts (at component and DME ends) 3) Replace PWG

CC status report: ??? EML ON limited PW gradient and PW limited over rpm

Voltage range diagnosis

0x2D1B

11547

Pedal Position Sensor

D Electrical

Pedal-position sensor monitor. No fault currently entered

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

240 ms

none

Sensor wire shorted to positive

1) Perform electrical check on sensor wire and supply lines 2) Visual examination of plug-in contacts (at component and DME ends) 3) Replace PWG

CC status report: Reduced engine power! EML ON limited PW gradient and PW limited over rpm

Voltage range diagnosis

0x2D1C

11548

Pedal Position Sensor

E Electrical

Pedal-position sensor monitor. No fault currently entered

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

240 ms

none

Sensor wire shorted to ground or open circuit in wire

1) Perform electrical check on sensor wire and supply lines 2) Visual examination of plug-in contacts (at component and DME ends) 3) Replace PWG

CC status report: Reduced engine power! EML ON limited PW gradient and PW limited over rpm.

Voltage range diagnosis

0x2D1C

11548

Pedal Position Sensor

E Electrical

Pedal-position sensor monitor. No fault currently entered

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

240 ms

none

Sensor wire shorted to positive

1) Perform electrical check on sensor wire and supply lines 2) Visual examination of plug-in contacts (at component and DME ends) 3) Replace PWG

CC status report: Reduced engine power! EML ON limited PW gradient and PW limited over rpm

Voltage range diagnosis

0x2D20

11552

Pedal Position Sensor

D/E Correlation

Pedal-position sensor monitor

0.02S

Terminal 15 ON

Voltage in onboard electrical system

none

340 ms

none

Contact resistance in PWG wires or plug-in connections, electrical problem in PWG (defective Hall-effect sensor)

1) Check: Pedal-position sensor voltages [pot voltage 2 = (pot voltage 1)/2] 2) Electrical check on wires from DME to PWG, 3) Visual examination of plug-in contacts (at component and DME ends and in wiring harness) 4) Replace PWG

CC status report: Reduced engine power! EML ON limited PW gradient and PW limited over rpm

Implausible spread between the two PWG voltages

0x2C27

11303

Oxygen Sensor, Front

Signal Check

Oxygen sensor before catalytic converter, system check End of start Sensor drifts toward lean

After trim control fault; sensor indicates more than 18% too lean

Terminal 15, engine on

none

Approximately 300 s after trim

none

Sensor contamination, hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2C2B

11307

Oxygen Sensor, Front

Signal Check

Oxygen sensor before catalytic converter, system check. End of start. Sensor drifts toward rich

After trim control fault; sensor indicates more than 18% too rich

Terminal 15, engine on

none

Approximately 300 s after trim

none

Hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2C28

11304

Oxygen Sensor, Front

Signal Check

Oxygen sensor before catalytic converter 2, system check End of start Sensor drifts toward lean

After trim control fault; sensor indicates more than 18% too lean

Terminal 15, engine on

none

Approximately 300 s after trim

none

Sensor contamination, hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2C2C

11308

Oxygen Sensor, Front

Signal Check

Oxygen sensor before catalytic converter 2, system check End of start Sensor drifts toward rich

After trim control fault; sensor indicates more than 18% too rich

Terminal 15, engine on

none

Approximately 300 s after trim

none

Hole in sensor, short circuit to positive or ground

Check sensor wiring for short circuit; otherwise replace the suspect sensor

MIL ON

none

0x2C3D

11325

Oxygen Sensor, Front

Reference Voltage

O2 sensor wire monitor (heater) O2 sensor temperature too low and sensor signal implausible No faults stored in fault memory

Sensor temperature < 680 °C and sensor voltage < 0.2 V with oscillator deactivated

Terminal 15, engine on

none

Engine at operating temperature

approximately 15 sec.

none

Sensor inactive. Open circuit in UN wire

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Repeatedly disconnected.

MIL ON

none

0x2C3E

11326

Oxygen Sensor, Front

Reference Voltage

Engine at operating temperature

O2 sensor temperature too low and sensor signal implausible

Engine must be running

No info.

roughly 5 sec.

No info.

Sensor inactive Open circuit in UN wire

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Inspect wiring and lines
Check DME plug-in connections <=> Wiring harness <=> O2 sensor Bank 2 before catalytic converter
Replace O2 sensor
Replace DME

MIL ON

No info.

0x2C6B

11371

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too high = signal freezes on rich Trim control diagnosis must be completed, see trim control diagnosis. Detection of faults during the trim control diagnosis triggers the active test. Engine running at idle is adequate.

O2 sensor behind catalytic converter voltage > 0.7 V with lean O2 data specification in active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300 s following completion

none

O2 sensor behind catalytic converter aging present or O2 sensor behind catalytic converter contaminated or O2 sensor behind catalytic converter wire defective, pegs out trim controller -> trim control diagnosis entry - > active test is triggered

This fault is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the fault memory!)

Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C6B

11371

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too low = signal remains stuck at lean Trim control diagnosis must be completed, see trim control diagnosis. Detection of faults during the trim control diagnosis triggers the active test.

O2 sensor behind catalytic converter voltage < 0.2 V with rich data specification for active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300 s following completion

none

O2 sensor behind catalytic converter aging present or O2 sensor behind catalytic converter contaminated or O2 sensor behind catalytic converter wire defective or leak in exhaust system upstream from behind catalytic converter sensor, pegs out trim

This fault is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the fault memory!)

Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C6C

11372

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too high = signal freezes on rich. Trim control diagnosis must be completed, see trim control diagnosis. Detection of faults during the trim control diagnosis triggers the active test. Engine running at idle is adequate.

O2 sensor behind catalytic converter voltage > 0.7 V with lean O2 data specification in active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300 s following completion

none

This fault is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the fault memory!)

Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C6C

11372

Oxygen Sensor, Rear

Signal Check

O2 sensor system check O2 sensor voltage too low = signal remains stuck at lean. Trim control diagnosis must be completed, see trim control diagnosis. Detection of faults during the trim control diagnosis triggers the active test. Engine running at idle

O2 sensor behind catalytic converter voltage < 0.2 V with rich data specification for active test

Terminal 15, engine on

none

Engine at operating temperature

roughly 300 s following completion

none

This fault is detected during the active test. The active test is triggered by the trim control diagnosis function (trim controller fault code stored in the fault memory!)

Initiate system test for reversed O2 sensors.

MIL ON

none

0x2C2D

11309

Oxygen Sensor, Front

Deceleration

Implausible O2 sensor signal with overrun injection deactivation active, No faults stored in fault memory

Bank 1 O2 sensor before catalytic converter voltage less than 3.1 V or greater than 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine warm (exhaust-gas temperature)

approximately 9 s with overrun injection.

none

Catalyst contaminated (rich exhaust gas at O2 sensor during overrun injection deactivation); oil or gasoline in exhaust gases during overrun injection deactivation; defective wiring. Defective before catalytic converter sensor.

Visual inspection of wiring and plugs (water or corrosion in plug?) 1a. Repeatedly disconnect plug and re-insert it FIRMLY
Electrical check of wiring
Check catalyst (FSD lean fault entered for other bank?)
Piston rings, injectors, positive crankcase

MIL ON

none

0x2C2E

11310

Oxygen Sensor, Front

Deceleration

Implausible O2 sensor signal with overrun injection deactivation active. No faults stored in fault memory.

Bank 2 O2 sensor before catalytic converter voltage less than 3.1 V or greater than 2.1 V with overrun injection deactivation active

Terminal 15, engine on

none

Engine warm (exhaust-gas temperature)

approximately 9 s with overrun injection.

none

Visual inspection of wiring and plugs (water or corrosion in plug?) 1a. Repeatedly disconnect plug and re-insert it FIRMLY
Electrical check of wiring
Check catalyst (FSD lean fault entered for other bank?)
Piston rings, injectors, positive crankcase

MIL ON

none

0x2A13

10771

EVAP System

Pump

Monitoring of activation, when pump is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2A13

10771

EVAP System

Pump

Monitoring of activation, when pump is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Short to ground

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2A13

10771

EVAP System

Pump

Monitoring of activation

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Short to positive

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2C3B

11323

Oxygen Sensor, Front

Exhaust Sample Error

O2 sensor test O2 sensor indicates lean mixture although engine operates at part or full load

O2 sensor voltage >4.8 V at partload (sensor registers air)

Terminal 15, engine on

none

25S

none

O2 sensor not connected

Inspect to ensure that sensor is screwed in correctly. Check exhaust system for leaks Check plug-in connection

MIL ON

none

0x2C3C

11324

Oxygen Sensor, Front

Exhaust Sample Error

O2 sensor test O2 sensor indicates lean mixture although engine operates at part or full load

O2 sensor voltage >4.8 V at partload (sensor registers air)

Terminal 15, engine on

none

25S

none

O2 sensor not connected

Inspect to ensure that sensor is screwed in correctly Check exhaust system for leaks Check plug-in connection

MIL ON

none

0x2A12

10770

EVAP System

Switching Valve

Monitoring of activation, when solenoid valve is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Open circuit

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2A12

10770

EVAP System

Switching Valve

Monitoring of activation, when solenoid valve is triggered

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

0.5 sec.

none

Short to ground

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2A12

10770

EVAP System

Switching Valve

Monitoring of activation, when solenoid valve is triggered.

0.5 sec.

Terminal 15 ON

Voltage in onboard electrical system.

none

0.5 sec.

none

Short to positive

Check wire and repair if not satisfactory. If satisfactory, then check component

MIL ON

Installed in US only (initialization version)

0x2C3D

11325

Oxygen Sensor, Front

Pumping Current

O2 sensor wiring monitor. O2 sensor signal voltage too highly during overrun injection deactivation. Overrun injection deactivation

Voltage >5.8 V during overrun injection deactivation

Terminal 15, engine on

none

Engine at operating temperature

approximately 9 s with overrun injection.

none

Sensor inactive. Open circuit in wire IA Catalyst contaminated (rich exhaust gas at O2 sensor during overrun injection deactivation); oil or gasoline in exhaust gases during overrun injection deactivation.

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Repeatedly disconnected.

MIL ON

none

0x2C3E

11326

Oxygen Sensor, Front

Pumping Current

O2 sensor wiring monitor O2 sensor signal voltage too highly during overrun injection deactivation. overrun injection deactivation

Voltage >5.8 V during overrun injection deactivation

Terminal 15, engine on

none

Engine at operating temperature

approximately 9 s with overrun injection.

none

Visual inspection for damage to wiring and lines, DME plug and sensor
Inspect wiring and lines
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Repeatedly disconnected.

MIL ON

none

0x2C41

11329

Oxygen Sensor, Front

ECM Self-Test

O2 sensor chip monitor. No faults stored in fault memory.

Self-diagnosis processor chip: Communications fault

Terminal 15 ON

none

approximately 5 s

none

Communication fault between processor chip and microcontroller

Replace DME

MIL ON

none

0x2C42

11330

Oxygen Sensor, Front

ECM Self-Test

O2 sensor chip monitor. No faults stored in fault memory.

Self-diagnosis processor chip: Communications fault.

Terminal 15 ON

none

approximately 5 s

none

Communication fault between processor chip and microcontroller

Replace DME

MIL ON

none

0x2C41

11329

Oxygen Sensor, Front

ECM Self-Test

O2 sensor chip monitor, No faults stored in fault memory.

Self-diagnosis processor chip: Communications fault.

Terminal 15 ON

none

approximately 100 s

none

Initialization fault

Replace DME

MIL ON

none

0x2C42

11330

Oxygen Sensor, Front

ECM Self-Test

O2 sensor chip monitor No faults stored in fault memory

Self-diagnosis processor chip: Communications fault.

Terminal 15 ON

none

approximately 100 s

none

Initialization fault

Replace DME

MIL ON

none

0x2CA6

11430

Oxygen Sensor, Front

Heater

Check O2 sensor heater; sensor too cold. No faults stored in fault memory

O2 sensor temperature < 680 °C for more than 5 sec.

Terminal 15, engine on

none

approximately 15 sec.

none

O2 sensor heater aging. Excessive contact resistance. Open wire at Pin VN.

Visual inspection for damage to wiring and lines, DME plug and O2 sensor
Check wiring (including resistance)
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 1 (water or corrosion in plug?) => Rep

MIL ON

none

0x2CA7

11431

Oxygen Sensor, Front

Heater

Check O2 sensor heater; sensor too cold. No faults stored in fault memory.

O2 sensor temperature < 680 °C for more than 5 sec.

Terminal 15, engine on

none

approximately 15 sec.

none

O2 sensor heater aging. Excessive contact resistance. Open wire at Pin VN.

Visual inspection for damage to wiring and lines, DME plug and sensor
Check wiring (including resistance)
DME plug-in connections <=> Wiring harness <=> Check O2 sensor before catalytic converter for Bank 2 (water or corrosion in plug?) => Repeat

MIL ON

none

0x2DD3

11731

Communication

ETC

SMG recognized

0.8

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

Incorrect alive counter in CAN message

Check SMG and replace as indicated (fault in SMG control module)

MIL ON

SMG alive counter transmission incorrect

0x2DD2

11730

No info.

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
LWS1 message stored

5 sec.

Terminal 15 ON

Voltage in onboard electrical system.

none

400 ms

none

No reception of CAN message LWS1 possible.

Check CAN link between LWS and DME

none

LWS1-CAN message timeout

0x2E1B

11803

Voltage in onboard electrical system

Outside temperature > -9.8 °C

t > 5S

none

Voltage supply and ground connection for ignition system. Spark plug. Ignition coil.

none

No info.

0x2DD0

11728

No info.

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR2 message stored

20 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message INSTR2 possible.

Check CAN links between instrument cluster and DME

none

Timeout on INSTR2 CAN message

0x2DD1

11729

No info.

Can 11 vehicle (E46, E85, E83)
No short circuit on the PT CAN
INSTR3 message stored

20 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

No reception of CAN message INSTR3 possible.

Check CAN links between instrument cluster and DME

none

Timeout INSTR3 CAN message

0x2DE3

11747

No info.

0x2DC9

11721

Communication

TCM

EGS detected

5 sec.

Terminal 15 ON

Voltage in onboard electrical system

none

5 sec.

none

Timeout on EGS message

Check CAN link to EGS control module.

none

0x2DC9

11721

Communication

TCM

none

0x2DC9

11721

Communication

TCM

none

0x2DD3

11731

Communication

TCM

SMG recognized

0.8

Terminal 15 ON

Voltage in onboard electrical system

none

400 ms

none

Incorrect alive counter in CAN message.

Check SMG and replace as indicated (fault in SMG control module).

MIL ON

Incorrect SMG check sum transmission.

Diagnostic Trouble Codes with Diagnostics (N52): Other BMW 3 series E46 facelift

MSV70 ENGINE OPERATING SYSTEM DTCS

BMW Fault Code (hex)

BMW Fault Code (dez)

Component

Subcomponent

Monitoring criteria

Fault debouncing

Terminal conditions

Voltage conditions

Temperature conditions

Time conditions

Signal information

Calculated value Y/N

Possible Fault Causes

Repair procedures (plant/service)

MIL illumination/CC message/emergency program

Remarks

More articles — Diagnostic Trouble Codes with Diagnostics (N52)

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