Home/Audi/S4/Audi S4 B7 (2004-2008)/Repair manual/DTC Index/DTC Index - 4.2l (bhf Engine)
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DTC Index - 4.2l (bhf Engine) Audi S4 B7

DTC Index ~320 words

DIAGNOSTIC TROUBLE CODES (DTC) INDEX

SAE CodeVAG CodeCode DescriptionCorrective Action
P001016394Bank 1, Camshaft adjustment malfunctionCheck Camshaft Adjustment Valve 1 N205 , Camshaft Adjustment Valve 2 N208 , Camshaft Adjustment Valve 1 (exhaust) N318 --> SOLENOID VALVE 1, CHECKING Camshaft Adjustment Valve 1 N205 and Camshaft Adjustment Valve 2 (exhaust) N208 , checking .
P001116395Bank 1, camshaft retardation adjustment Specification not reached
P001216396"A" Camshaft Position - Timing Over-Retarded Bank 1
P002016404"Intake" Camshaft Position Actuator Circuit, Bank 2
P002116405"Intake" Camshaft Position - Timing Over-Advanced or System Performance, Bank 2
P002216406"A" Camshaft Position - Timing Over-Retarded Bank 2
P003016414HO2S Heater Control Circuit, Bank 1 Sensor 1Check Oxygen Sensor (O2S) Heater Z19 and Oxygen Sensor (O2S) 2 Heater Z28 --> HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING --> Oxygen Sensor (O2S) Heater Z19 f and Oxygen Sensor (O2S) 2 Heater Z28 before catalytic converter, checking. .
P003116415HO2S Heater Control Circuit Low, Bank 1 Sensor 1
P003216416HO2S Heater Control Circuit High, Bank 1 Sensor 1
P003616420HO2S Heater Control Circuit Bank, 1 Sensor 2
P003716421HO2S Heater Control Circuit Low, Bank 1 Sensor 2
P003816422HO2S Heater Control Circuit High, Bank 1 Sensor 2
P004016424O2 Sensor Signals Swapped Bank 1 Sensor 1/ Bank 2 Sensor 1Note
P004116425O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2
P005016434HO2S Heater Control Circuit Bank 2 Sensor 1Check Oxygen Sensor (O2S) Heater Z19 and Oxygen Sensor (O2S) 2 Heater Z28 --> HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING --> Oxygen Sensor (O2S) Heater Z19 f and Oxygen Sensor (O2S) 2 Heater Z28 before catalytic converter, checking. .
P005116435HO2S Heater Control Circuit Low Bank 2 Sensor 1
P005216436HO2S Heater Control Circuit High Bank 2 Sensor 1
P005616440HO2S Heater Control Circuit Bank 2 Sensor 2
P005716441HO2S Heater Control Circuit Low Bank 2 Sensor 2
P005816442HO2S Heater Control Circuit High Bank 2 Sensor 2
P010116485Mass or Volume Air Flow Circuit Range/PerformanceCheck Mass Air Flow (MAF) Sensor G70 --> Mass Air Flow (MAF) Sensor G70 , checking .
P010216486Mass or Volume Air Flow Circuit Low Input
P010316487Mass or Volume Air Flow Circuit High Input
P010616490Manifold Absolute Pressure/Barometric Pressure Circuit Range/PerformanceMOTRONIC ENGINE CONTROL MODULE (ECM) J623 , REPLACING
P011116495Intake Air Temperature Sensor 1 Circuit Range/PerformanceCheck Intake Air Temperature (IAT) Sensor G42 --> Mass Air Flow (MAF) Sensor G70 , checking .
P011216496Intake Air Temperature Sensor 1 Circuit Low
P011316497Intake Air Temperature Sensor 1 Circuit High
P011616500Engine Coolant Temperature Circuit Range/PerformanceCheck Engine Coolant Temperature (ECT) Sensor G62 --> Engine Coolant Temperature (ECT) Sensor G62 , checking .
P011716501Engine Coolant Temperature Circuit Low
P011816502Engine Coolant Temperature Circuit High
P012116505Throttle/Pedal Position Sensor/Switch "A" Circuit Range/PerformanceCheck Throttle Valve Control Module J338 --> Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 , checking .
P012216506Throttle/Pedal Position Sensor/Switch "A" Circuit Low
P012316507Throttle/Pedal Position Sensor/Switch "A" Circuit High
P013016514O2 Sensor Circuit, Bank 1 Sensor 1Check Oxygen Sensor (O2S) Heater Z19 and Oxygen Sensor (O2S) 2 Heater Z28 --> HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING --> Oxygen Sensor (O2S) Heater Z19 f and Oxygen Sensor (O2S) 2 Heater Z28 before catalytic converter, checking. .
P013116515O2 Sensor Circuit Low Voltage, Bank 1 Sensor 1
P013216516O2 Sensor Circuit High Voltage, Bank 1 Sensor 1
P013316517O2 Sensor Circuit Slow Response, Bank 1 Sensor 1
P013516519O2 Sensor Heater Circuit, Bank 1 Sensor 1
P013616520O2 Sensor Circuit, Bank 1 Sensor 2Check Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 behind Three Way Catalytic Converter (TWC) --> Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 , checking .
P013716521O2 Sensor Circuit Low Voltage, Bank 1 Sensor 2
P013816522O2 Sensor Circuit High Voltage, Bank 1 Sensor 2
P013916523O2 Sensor Circuit Slow Response, Bank 1 Sensor 2
P014016524O2 Sensor Circuit No Activity Detected, Bank 1 Sensor 2
P014116525O2 Sensor Heater Circuit, Bank 1 Sensor 2
P015016534O2 Sensor Circuit Bank 2 Sensor 1Check Oxygen Sensor (O2S) Heater Z19 and Oxygen Sensor (O2S) 2 Heater Z28 --> HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING --> Oxygen Sensor (O2S) Heater Z19 f and Oxygen Sensor (O2S) 2 Heater Z28 before catalytic converter, checking. .
P015116535O2 Sensor Circuit Low Voltage Bank 2 Sensor 1
P015216536O2 Sensor Circuit High Voltage Bank 2 Sensor 1
P015316537O2 Sensor Circuit Slow Response Bank 2 Sensor 1
P015516539O2 Sensor Heater Circuit Bank 2 Sensor 1
P015616540O2 Sensor Circuit Bank 2 Sensor 2Check Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 behind Three Way Catalytic Converter (TWC) --> OXYGEN SENSOR (O2S) BEHIND THREE WAY CATALYTIC CONVERTER (TWC) G130/OXYGEN SENSOR (O2S) 2 BEHIND THREE WAY CATALYTIC CONVERTER (TWC) G131 AND OXYGEN SENSOR REGULATION BEHIND CATALYTIC CONVERTER, CHECKING --> Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 , checking .
P015716541O2 Sensor Circuit Low Voltage Bank 2 Sensor 2
P015816542O2 Sensor Circuit High Voltage Bank 2 Sensor 2
P015916543O2 Sensor Circuit Slow Response Bank 2 Sensor 2
P016016544O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2
P016116545O2 Sensor Heater Circuit Bank 2 Sensor 2
P017116555System Too Lean, Bank 1Check fuel pump delivery and quantity. Check fuel injectors N30, N31, N32, N33, N83, N84, N85, N86 --> Fuel Injectors N30, N31, N32, N33, N83, N84, N85, N86 , checking . Check intake system for leaks (false air). Check exhaust system for proper seal. Check vacuum lines for leaks
P017216556System Too Rich, Bank 1
P017416558System Too Lean Bank 2
P017516559System Too Rich Bank 2
P020116585Injector Circuit/Open - Cylinder 1Check fuel injectors N30, N31, N32, N33, N83, N84, N85, N86 --> Fuel Injectors N30, N31, N32, N33, N83, N84, N85, N86 , checking .
P020216586Injector Circuit/Open - Cylinder 2
P020316587Injector Circuit/Open - Cylinder 3
P020416588Injector Circuit/Open - Cylinder 4
P020516589Cylinder 5 Fuel Injector N83 Electrical malfunction
P020616590Cylinder 6 Fuel Injector N84 Electrical malfunction
P020716591Injector Circuit/Open - Cylinder 7
P020816592Injector Circuit/Open - Cylinder 8
P022116605Throttle/Pedal Position Sensor/Switch "B" Circuit Range/PerformanceCheck Throttle Valve Control Module J338 --> Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 , checking .
P022216606Throttle/Pedal Position Sensor/Switch "B" Circuit Low
P022316607Throttle/Pedal Position Sensor/Switch "B" Circuit High
P023016614Fuel Pump Primary CircuitJ17 - Fuel Pump (FP) Relay Fuel Pump (FP) Relay -J17- and activation checking Overview of component locations
P026116645Cylinder 1 Injector Circuit LowCheck fuel injectors N30, N31, N32, N33, N83, N84, N85, N86 --> Fuel Injectors N30, N31, N32, N33, N83, N84, N85, N86 , checking .
P026216646Cylinder 1 Injector Circuit High
P026416648Cylinder 2 Injector Circuit Low
P026516649Cylinder 2 Injector Circuit High
P026716651Cylinder 3 Injector Circuit Low
P026816652Cylinder 3 Injector Circuit High
P027016654Cylinder 4 Injector Circuit Low
P027116655Cylinder 4 Injector Circuit High
P027316657Cylinder 5 Fuel Injector N83 Short to Ground (GND)
P027416658Cylinder 5 Fuel Injector N83 Short to positive
P027616660Cylinder 6 Fuel Injector N84 Short to Ground (GND)
P027716661Cylinder 6 Fuel Injector N84 Short to positive
P027916663Cylinder 7 Injector Circuit Low
P028016664Cylinder 7 Injector Circuit High
P028216666Cylinder 8 Injector Circuit Low
P028316667Cylinder 8 Injector Circuit High
P030016684Random/Multiple Cylinder Misfire DetectedCheck fuel injectors N30, N31, N32, N33, N83, N84, N85, N86 --> Fuel Injectors N30, N31, N32, N33, N83, N84, N85, N86 , checking . Check Ignition Coils with Power Output Stage N70, N127, N291, N292, N323, N324, N325, N326 --> Ignition Coils with Power Output Stage N70, N127, N291, N292, N323, N324, N325, N326 , checking .
P030116685Cylinder 1 Misfire Detected
P030216686Cylinder 2 Misfire Detected
P030316687Cylinder 3 Misfire Detected
P030416688Cylinder 4 Misfire Detected
P030516689Cyl. 5 misfire detected
P030616690Cyl. 6 misfire detected
P030716691Cylinder 7 Misfire Detected
P030816692Cylinder 8 Misfire Detected
P032116705Ignition/Distributor Engine Speed Input Circuit Range/PerformanceCheck Engine Speed (RPM) Sensor G28 --> Engine Speed (RPM) Sensor G28 , checking .
P032216706Ignition/Distributor Engine Speed Input Circuit No Signal
P034016724Camshaft Position Sensor "A" Circuit, Bank 1 or Single SensorCheck Camshaft Position (CMP) Sensor G40 --> Camshaft Position (CMP) Sensor G40 and Camshaft Position (CMP) Sensor 2 G163 , checking .
P034116725Camshaft Position Sensor "A" Circuit Range/Performance, Bank 1 or Single Sensor
P034216726Camshaft Position Sensor "A" Circuit Low, Bank 1 or Single Sensor
P034316727Camshaft Position Sensor "A" Circuit High, Bank 1 or Single Sensor
P034516729Camshaft Position Sensor "A" Circuit Bank 2
P034616730Camshaft Position Sensor "A" Circuit Range/Performance Bank 2
P034716731Camshaft Position Sensor "A" Circuit Low Bank 2
P034816732Camshaft Position Sensor "A" Circuit High Bank 2
P035116735Ignition Coil "A" Primary/Secondary CircuitCheck Ignition Coils with Power Output Stage N70, N127, N291, N292, N323, N324, N325, N326 --> Ignition Coils with Power Output Stage N70, N127, N291, N292, N323, N324, N325, N326 , checking .
P035216736Ignition Coil "B" Primary/Secondary Circuit
P035316737Ignition Coil "C" Primary/Secondary Circuit
P035416738Ignition Coil "D" Primary/Secondary Circuit
P035516739Ignition Coil "E" Primary/Secondary Circuit
P035616740Ignition Coil "F" Primary/Secondary Circuit
P035716741Ignition Coil "G" Primary/Secondary Circuit
P035816742Ignition Coil "H" Primary/Secondary Circuit
P041216796Secondary Air Injection System Switching Valve "A" CircuitCheck Secondary Air Injection (AIR) Pump Relay -J299- --> Secondary Air Injection (AIR) Pump Relay -J299- , checking
P041316797Secondary Air Injection solenoid valve N112 Open
P041416798Secondary Air Injection solenoid valve N112 Short circuit
P041816802Secondary Air Injection System Control "A" Circuit
P042116805Warm Up Catalyst Efficiency Below Threshold, Bank 1Check Three Way Catalytic Converter (TWC) --> TEST-ID 01 ($01): OXYGEN SENSOR IN FRONT OF CATALYTIC CONVERTER BANK 1 - SENSOR 1. --> Three Way Catalytic Converter (TWC), checking
P043116815Warm Up Catalyst Efficiency Below Threshold, Bank 2
P044116825Evaporative Emission System Incorrect Purge FlowCheck Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 --> Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 , checking . Check Evaporative Emission (EVAP) Canister System for proper seal --> Evaporative Emission (EVAP) canister system, checking for proper seal .
P044216826Evaporative Emission System Leak Detected (small leak)
P044316827Evaporative Emission System Purge Control Valve Circuit
P044416828Evaporative Emission System Purge Control Valve Circuit Open
P044516829Evaporative Emission System Purge Control Valve Circuit Shorted
P045516839Evaporative Emission System Leak Detected (large leak)
P045616840Evaporative Emission System Leak Detected (very small leak)
P045816842Evaporative Emission System Purge Control Valve Circuit Low
P045916843Evaporative Emission System Purge Control Valve Circuit High
P049116875Secondary Air Injection System Insufficient Flow Bank 1Check Secondary Air Injection (AIR) Pump Relay -J299- --> Secondary Air Injection (AIR) Pump Relay -J299- , checking
P049216876Secondary Air Injection System Insufficient Flow Bank 2
P050116885Vehicle Speed Sensor "A" Range/PerformanceVehicle Speed Signal Speed signal checking
P050616890Idle Air Control System RPM Lower Than ExpectedCheck Throttle Valve Control Module J338 --> Throttle Valve Control Module J338 , checking .
P050716891Idle Air Control System RPM Higher Than Expected
P060116985Internal Control Module Memory Check Sum ErrorReplace the Engine Control Module (ECM) J623 --> Motronic Engine Control Module (ECM) J623 , replacing .
P060216986Control Module Programming Error/Malfunction
P060416988Internal Control Module Random Access Memory (RAM) Error
P060516989Internal Control Module Read Only Memory (ROM) Error
P060616990ECM/PCM Processor
P063817022Throttle Actuator Control Range/PerformanceCheck Throttle Valve Control Module J338 --> Throttle Valve Control Module J338 , checking . Check Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 --> Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 , checking .
P068517069ECM/PCM Power Relay Control Circuit/OpenCheck voltage supply for Engine Control Module (ECM) J623 --> Voltage supply, checking . Check activation of Motronic Engine Control Module (ECM) Power Supply Relay J271 --> Motronic Engine Control Module (ECM) J623 .
P068617070ECM/PCM Power Relay Control Circuit Low
P068717071ECM/PCM Power Relay Control Circuit High
P068817072Power supply relay J271 , load circuit open
P209618528Post Catalyst Fuel Trim System Too Lean, Bank 1Check Oxygen Sensor (O2S) Heater Z19 and Oxygen Sensor (O2S) 2 Heater Z28 --> Oxygen Sensor (O2S) Heater Z19 f and Oxygen Sensor (O2S) 2 Heater Z28 before catalytic converter, checking. . Check Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 behind Three Way Catalytic Converter (TWC) --> Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 , checking .
P209718529Post Catalyst Fuel Trim System Too Rich
P209818530Post Catalyst Fuel Trim System Too Lean Bank 2
P209918531Post Catalyst Fuel Trim System Too Rich Bank 2
P210118533Throttle Actuator Control Motor Circuit Range/PerformanceCheck Throttle Valve Control Module J338 --> Throttle Valve Control Module J338 , checking .
P210618538Throttle Actuator Control System, Forced Limited Power
P212218554Throttle/Pedal Position Sensor/Switch "D" Circuit Low InputCheck Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 --> Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 , checking .
P212318555Throttle/Pedal Position Sensor/Switch "D" Circuit High Input
P212718559Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input
P212818560Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
P213818570Throttle/Pedal Position Sensor/Switch "D" / "E" Voltage Correlation
P218118613Cooling System PerformanceCheck Engine Coolant Temperature (ECT) Sensor G62 --> Engine Coolant Temperature (ECT) Sensor G62 , checking .
P219518627O2 Sensor Signal Stuck Lean Bank 1 Sensor 1HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING
P219618628O2 Sensor Signal Stuck Rich Bank 1 Sensor 1
P219718629O2 Sensor Signal Stuck Lean Bank 2 Sensor 1
P219818630O2 Sensor Signal Stuck Rich Bank 2 Sensor 1
P223118663O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1OXYGEN SENSOR (O2S) HEATER Z19 F AND OXYGEN SENSOR (O2S) 2 HEATER Z28 BEFORE CATALYTIC CONVERTER, CHECKING.
P223418666O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1
P223718669O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING
P224018672O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1
P224318675O2 Sensor Reference Voltage Circuit/Open, Bank 1 Sensor 1
P224718679O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1
P225118683O2 Sensor Negative Current Control Circuit/Open, Bank 1 Sensor 1
P225418686O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1
P225718689Secondary Air Injection System Control "A" Circuit LowJ299 - Secondary Air Injection (AIR) Pump Relay Secondary Air Injection (AIR) pump relay -J299- and activation, checking Secondary Air Injection (AIR), Component overview
P225818690Secondary Air Injection System Control "A" Circuit High
P240018832Evaporative Emission System Leak Detection Pump Control Circuit/OpenCheck Leak Detection Pump (LDP) V144. --> Leak Detection Pump (LDP) V144 , checking Check Evaporative Emission (EVAP) Canister System for proper seal --> Evaporative Emission (EVAP) canister system, checking for proper seal .
P240118833Evaporative Emission System Leak Detection Pump Control Circuit Low
P240218834Evaporative Emission System Leak Detection Pump Control Circuit High
P240318835Evaporative Emission System Leak Detection Pump Sense Circuit/Open
P240418836Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
P241418846O2 Sensor Exhaust Sample Error Bank 1 Sensor 1HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING Intake system for leaks (false air) checking
P241518847O2 Sensor Exhaust Sample Error Bank 2 Sensor 1
P262619058O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING
P262919061O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 1
P308119537Engine Temperature Too LowCooling System Operation Cooling system components overview
U000128673High Speed CAN Communication BusCheck terminal resistance of CAN-Bus --> CAN-Bus terminal resistance, checking .
U010128773Lost Communication With TCM
U015528827Lost Communication With Instrument Panel Cluster (IPC) Control Module
U030228974Software Incompatibility with Transmission Control ModuleReplace Transmission Control Module (TCM) J217 --> Transmission Control Module (TCM) J217 , replacing .

DTC Index - 4.2L (BHF Engine)

See also:
SOLENOID VALVE 1, CHECKING
Camshaft Adjustment Valve 1 N205 and Camshaft Adjustment Valve 2 (exhaust) N208 , checking
HEATED OXYGEN SENSOR (HO2S) G39/HEATED OXYGEN SENSOR (HO2S) 2 G108 AND OXYGEN SENSOR REGULATION BEFORE CATALYTIC CONVERTER, CHECKING
Oxygen Sensor (O2S) Heater Z19 f and Oxygen Sensor (O2S) 2 Heater Z28 before catalytic converter, checking.
Mass Air Flow (MAF) Sensor G70 , checking
MOTRONIC ENGINE CONTROL MODULE (ECM) J623 , REPLACING
Engine Coolant Temperature (ECT) Sensor G62 , checking
Throttle Position (TP) Sensor G79/Accelerator Pedal Position Sensor 2 G185 , checking
Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 and Oxygen Sensor (O2S) 2 (behind Three Way Catalytic Converter (TWC)) Heater Z30 , checking
OXYGEN SENSOR (O2S) BEHIND THREE WAY CATALYTIC CONVERTER (TWC) G130/OXYGEN SENSOR (O2S) 2 BEHIND THREE WAY CATALYTIC CONVERTER (TWC) G131 AND OXYGEN SENSOR REGULATION BEHIND CATALYTIC CONVERTER, CHECKING
Fuel Injectors N30, N31, N32, N33, N83, N84, N85, N86 , checking
Ignition Coils with Power Output Stage N70, N127, N291, N292, N323, N324, N325, N326 , checking
Engine Speed (RPM) Sensor G28 , checking
Camshaft Position (CMP) Sensor G40 and Camshaft Position (CMP) Sensor 2 G163 , checking
Secondary Air Injection (AIR) Pump Relay -J299- , checking
TEST-ID 01 ($01): OXYGEN SENSOR IN FRONT OF CATALYTIC CONVERTER BANK 1 - SENSOR 1.
Three Way Catalytic Converter (TWC), checking
Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 , checking
Evaporative Emission (EVAP) canister system, checking for proper seal
Throttle Valve Control Module J338 , checking
Voltage supply, checking
Motronic Engine Control Module (ECM) J623
Leak Detection Pump (LDP) V144 , checking
CAN-Bus terminal resistance, checking
Transmission Control Module (TCM) J217 , replacing