1995 Mercedes Benz C220FACTORY OEM SERVICE PROCEDURE

HFM-SFI Fault Code Identification

HFM-SFI FAULT CODE IDENTIFICATION

Fault Code (1) Fault Code (2) Malfunctioning Component/System
002 P0132 (3) Oxygen Sensor (G3/2) Circuit High Voltage
003 P0134 (3) Oxygen Sensor (G3/2) Circuit No Activity
004 P0131 (3) Oxygen Sensor (G3/2) Circuit Low Voltage
005 P1131 (3) Oxygen Sensor (G3/2) Circuit Short Circuit
006 P0133 (3) Oxygen Sensor (G3/2) Circuit Slow Response
007 P0135 (3) Oxygen Sensor (G3/2) Heater Circuit Malfunction
008 P1132 (3) Oxygen Sensor (G3/2) Circuit Rich Stop
009 P0138 (4) Oxygen Sensor (G3/1) Circuit High Voltage
011 P0141 (4) Oxygen Sensor (G3/1) Heater Circuit Malfunction
012 P1137 (4) Oxygen Sensor (G3/1) Circuit Short Circuit
013 P1138 (4) Oxygen Sensor (G3/1) Operating Condition
014 P0412 Secondary Air Injection System Switching Valve/Circuit Malfunction
015 P0411 Secondary Air Injection System Incorrect Flow Detected
016 P1400 Electrical Activation Of EGR Switchover Valve
017 P0400 EGR Flow Malfunction
018 P0507 Idle Control System RPM Higher Than Expected
019 P0505 Idle Control System Malfunction
020 P030x (5) Cylinder X Misfire Detected
021 P0300 Random Misfire Detected
022 P030x (5) Cylinder X Misfire Detected
023 P0300 Random Misfire Detected
024 P030x (5) Cylinder X Misfire Detected
025 P0300 Random Misfire Detected
026 P0420 Catalyst System Efficiency Below Threshold
027 P1342 Electrical Activation Of Adjustable Camshaft Timing Solenoid
028 P1341 Adjustable Camshaft Timing Solenoid Without Function (Logic Chain)
029 P0200 Injector Circuit Malfunction
030 P1170 Short Term Fuel Trim (Self-Adaptation Of Fuel Mixture)
031 P0170 Fuel Trim Malfunction
032 P0443 Evaporative Emission Purge Control Valve Circuit Malfunction
032 P1701 Electrical Activation Of Upshift Delay Switchover Valve
034 P1700 Transmission Upshift Delay Switchover Valve Without Function (Logic Chain)
035 P030x (5) Cylinder X Misfire Detected
036 P0300 Random Misfire Detected
037 P030x (5) Cylinder X Misfire Detected
038 P0300 Random Misfire Detected
039 P030x (5) Cylinder X Misfire Detected
040 P0300 Random Misfire Detected
042 P1340 Camshaft Position Sensor Monitoring From Engine Control Module
043 P1335 Engine Speed Signal From Diagnostic Module (OBD-II)
044 P1711 (6) Electrical Activation Of Resonance Intake Manifold Switchover Valve
045 P0116 Engine Coolant Temperature Sensor Circuit Malfunction
046 P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
047 P0111 Intake Air Temperature Sensor Circuit Malfunction
048 P0101 Hot Film Mass Airflow Sensor Circuit Malfunction
049 P0335 Crankshaft Position Sensor Circuit Malfunction
050 P1336 Crankshaft Sensor Signal Malfunction
051 P1337 Engine Speed Signal Transmitted From Engine Control Module
052 P1740 Full Load Information (Load Implausible)
053 P1741 Full Load Information (Throttle Valve Position Implausible)
054 P0510 Closed Throttle Position Switch Malfunction
055 P0600 Serial Communication Link Malfunction Controller Area Network (CAN)
056 P0500 Vehicle Speed Sensor Malfunction
057 P0501 Vehicle Speed Sensor Range/Performance
058 P0341 Camshaft Position Sensor Circuit Malfunction
059 P0105 Manifold Absolute Pressure /Barometric Pressure Circuit Malfunction
060 P0327 Knock Sensor 1 Circuit Low Input
061 P0326 Knock Sensor 1 Circuit Range/Performance
062 P0325 Knock Sensor 1 Circuit Malfunction
063 P1750 Battery Voltage Low
064 P1443 Electrical Activation Of Purge Flow Switchover Valve
065 P0441 EVAP Incorrect Purge Flow
066 P1444 Pressure 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.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.