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Engine Controls - Tests W/codes: Overview Mercedes-Benz C-class W202

HFM-SFI FAULT CODE IDENTIFICATION

Fault Code (1)Fault Code (2)Malfunctioning Component/System
002P0132(3) Oxygen Sensor (G3/2) Circuit High Voltage
003P0134(3) Oxygen Sensor (G3/2) Circuit No Activity
004P0131(3) Oxygen Sensor (G3/2) Circuit Low Voltage
005P1131(3) Oxygen Sensor (G3/2) Circuit Short Circuit
006P0133(3) Oxygen Sensor (G3/2) Circuit Slow Response
007P0135(3) Oxygen Sensor (G3/2) Heater Circuit Malfunction
008P1132(3) Oxygen Sensor (G3/2) Circuit Rich Stop
009P0138(4) Oxygen Sensor (G3/1) Circuit High Voltage
011P0141(4) Oxygen Sensor (G3/1) Heater Circuit Malfunction
012P1137(4) Oxygen Sensor (G3/1) Circuit Short Circuit
013P1138(4) Oxygen Sensor (G3/1) Operating Condition
014P0412Secondary Air Injection System Switching Valve/Circuit Malfunction
015P0411Secondary Air Injection System Incorrect Flow Detected
016P1400Electrical Activation Of EGR Switchover Valve
017P0400EGR Flow Malfunction
018P0507Idle Control System RPM Higher Than Expected
019P0505Idle Control System Malfunction
020P030x (5)Cylinder X Misfire Detected
021P0300Random Misfire Detected
022P030x (5)Cylinder X Misfire Detected
023P0300Random Misfire Detected
024P030x (5)Cylinder X Misfire Detected
025P0300Random Misfire Detected
026P0420Catalyst System Efficiency Below Threshold
027P1342Electrical Activation Of Adjustable Camshaft Timing Solenoid
028P1341Adjustable Camshaft Timing Solenoid Without Function (Logic Chain)
029P0200Injector Circuit Malfunction
030P1170Short Term Fuel Trim (Self-Adaptation Of Fuel Mixture)
031P0170Fuel Trim Malfunction
032P0443Evaporative Emission Purge Control Valve Circuit Malfunction
032P1701Electrical Activation Of Upshift Delay Switchover Valve
034P1700Transmission Upshift Delay Switchover Valve Without Function (Logic Chain)
035P030x (5)Cylinder X Misfire Detected
036P0300Random Misfire Detected
037P030x (5)Cylinder X Misfire Detected
038P0300Random Misfire Detected
039P030x (5)Cylinder X Misfire Detected
040P0300Random Misfire Detected
042P1340Camshaft Position Sensor Monitoring From Engine Control Module
043P1335Engine Speed Signal From Diagnostic Module (OBD-II)
044P1711 (6)Electrical Activation Of Resonance Intake Manifold Switchover Valve
045P0116Engine Coolant Temperature Sensor Circuit Malfunction
046P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
047P0111Intake Air Temperature Sensor Circuit Malfunction
048P0101Hot Film Mass Airflow Sensor Circuit Malfunction
049P0335Crankshaft Position Sensor Circuit Malfunction
050P1336Crankshaft Sensor Signal Malfunction
051P1337Engine Speed Signal Transmitted From Engine Control Module
052P1740Full Load Information (Load Implausible)
053P1741Full Load Information (Throttle Valve Position Implausible)
054P0510Closed Throttle Position Switch Malfunction
055P0600Serial Communication Link Malfunction Controller Area Network (CAN)
056P0500Vehicle Speed Sensor Malfunction
057P0501Vehicle Speed Sensor Range/Performance
058P0341Camshaft Position Sensor Circuit Malfunction
059P0105Manifold Absolute Pressure /Barometric Pressure Circuit Malfunction
060P0327Knock Sensor 1 Circuit Low Input
061P0326Knock Sensor 1 Circuit Range/Performance
062P0325Knock Sensor 1 Circuit Malfunction
063P1750Battery Voltage Low
064P1443Electrical Activation Of Purge Flow Switchover Valve
065P0441EVAP Incorrect Purge Flow
066P1444Pressure Switchover Without Function (Logic Chain)
(1) Using Hand-Held Tester (HHT) and multiplexer cable. (2) Using generic scan tool. (3) Oxygen sensor (G3/2) is located before Three-Way Catalyst (TWC). (4) Oxygen sensor (G3/1) is located after Three-Way Catalyst (TWC). (5) When reading fault codes, the "x" will show affected cylinder. (6) Applies to C280 only.
(1)Using Hand-Held Tester (HHT) and multiplexer cable.
(2)Using generic scan tool.
(3)Oxygen sensor (G3/2) is located before Three-Way Catalyst (TWC).
(4)Oxygen sensor (G3/1) is located after Three-Way Catalyst (TWC).
(5)When reading fault codes, the "x" will show affected cylinder.
(6)Applies to C280 only.

HFM-SFI FAULT CODE IDENTIFICATION