Check-engine codes
What does my check-engine code mean?
Plain-English explanations for OBD-II trouble codes: what the code means, the most likely causes, symptoms, and how much labour a repair usually takes.
C0 codes · Chassis
- C0624Variable Effort Steering Sensor Circuit
- C0625Variable Effort Steering Sensor Circuit Range/Performance
- C0626Variable Effort Steering Sensor Circuit Low
- C0627Variable Effort Steering Sensor Circuit High
- C0628Variable Effort Steering Module Performance
- C0629Variable Effort Steering Control Module Incorrect Component Installed
- C062AVariable Effort Steering Module Temperature Too High
- C062BVariable Effort Steering Module Temperature Too Low
- C062CBrake Booster Motor B Performance
- C062DABS Valves Range/Performance
- C062EActive Air Dam Supply Voltage Circuit Low
- C062FActive Air Dam Supply Voltage Circuit High
- C0630Active Air Dam Stuck
- C0631Front Axle Disconnect Actuator
- C0632Front Axle Disconnect Control Circuit
- C0633Front Half Shaft Speed Sensor
- C0634Brake Pressure Sensor A/B Correlation
- C0635Brake Pressure Sensor G Circuit/Open
- C0636Brake Pressure Sensor G Circuit High
- C0637Brake Pressure Sensor G Circuit Low
- C0638Brake Pressure Sensor G Range/Performance
- C0639Brake Pressure Sensor H Circuit/Open
- C063ABrake Pressure Sensor H Circuit High
- C063BBrake Pressure Sensor H Circuit Low
- C063CBrake Pressure Sensor H Range/Performance
- C063DBrake Pressure Sensor J Circuit/Open
- C063EBrake Pressure Sensor J Circuit High
- C063FBrake Pressure Sensor J Circuit Low
- C0640Brake Pressure Sensor J Range/Performance
- C0641Brake Pressure Sensor K Circuit/Open
- C0642Brake Pressure Sensor K Circuit High
- C0643Brake Pressure Sensor K Circuit Low
- C0644Brake Pressure Sensor K Range/Performance
- C0645Brake Pressure Sensor L Circuit/Open
- C0646Brake Pressure Sensor L Circuit High
- C0647Brake Pressure Sensor L Circuit Low
- C0648Brake Pressure Sensor L Range/Performance
- C0649Brake Pressure Sensor M Circuit/Open
- C064ABrake Pressure Sensor M Circuit High
- C064BBrake Pressure Sensor M Circuit Low
- C064CBrake Pressure Sensor M Range/Performance
- C064DBrake Pressure Sensor N Circuit/Open
- C064EBrake Pressure Sensor N Circuit High
- C064FBrake Pressure Sensor N Circuit Low
- C0650Brake Pressure Sensor N Range/Performance
- C0651Left Front Wheel Speed Sensor B Circuit/Open
- C0652Left Front Wheel Speed Sensor B Range/Performance
- C0653Left Front Wheel Speed Sensor B Circuit Low
- C0654Left Front Wheel Speed Sensor B Circuit High
- C0655Left Front Wheel Speed Sensor B Intermittent/Erratic
- C0656Left Front Wheel Speed Sensor B Correlation
- C0657Left Front Wheel Speed Sensor B Incorrect Component Installed
- C0658Right Front Wheel Speed Sensor B Circuit/Open
- C0659Right Front Wheel Speed Sensor B Range/Performance
- C065ARight Front Wheel Speed Sensor B Circuit Low
- C065BRight Front Wheel Speed Sensor B Circuit High
- C065CRight Front Wheel Speed Sensor B Intermittent/Erratic
- C065DRight Front Wheel Speed Sensor B Correlation
- C065ERight Front Wheel Speed Sensor B Incorrect Component Installed
- C065FLeft Rear Wheel Speed Sensor B Circuit/Open
- C0660Park Brake Switch Circuit
- C0661Left Rear Wheel Speed Sensor B Circuit Low
- C0662Left Rear Wheel Speed Sensor B Circuit High
- C0663Left Rear Wheel Speed Sensor B Intermittent/Erratic
- C0664Left Rear Wheel Speed Sensor B Correlation
- C0665Left Rear Wheel Speed Sensor B Incorrect Component Installed
- C0666Right Rear Wheel Speed Sensor B Circuit/Open
- C0667Right Rear Wheel Speed Sensor B Range/Performance
- C0668Right Rear Wheel Speed Sensor B Circuit Low
- C0669Right Rear Wheel Speed Sensor B Circuit High
- C066ARight Rear Wheel Speed Sensor B Intermittent/Erratic
- C066BRight Rear Wheel Speed Sensor B Correlation
- C066CRight Rear Wheel Speed Sensor B Incorrect Component Installed
- C066DService/Park Brake Chamber Pressure Sensor
- C066EService/Park Brake Chamber Pressure Too High
- C066FService/Park Brake Chamber Pressure Too Low
- C0670Electric Park Brake Actuator Left Circuit
- C0671Electric Park Brake Actuator Right Circuit
- C0680Electric Park Brake Module Internal Fault
- C0700Active Steering Module Communication
- C0710Steering Position Signal Malfunction
- C0712Power Steering Position Sensor Range/Performance
- C0715Power Steering Pressure Sensor Range/Performance
- C0720Electric Power Steering Torque Sensor Circuit
- C0725Electric Power Steering Motor Circuit
- C0727Trailer Connector Circuit Malfunction
- C0730Electric Power Steering Motor Position Sensor Circuit
- C0735Electric Power Steering Module Internal Fault
- C0740Electric Power Steering Voltage Supply
- C0745Electric Power Steering Overtemperature Protection
- C0750Cruise Control Brake Switch
- C0784Trailer Brake Force Sensor Circuit Malfunction
- C0800Drive System Voltage Low
- C0805Steering Angle Sensor Calibration
- C0810Air Suspension Compressor Circuit
- C0815Air Suspension Compressor Overtemperature
- C0820Air Suspension Height Sensor Front Left
- C0821Air Suspension Height Sensor Front Right
- C0822Air Suspension Height Sensor Rear Left
- C0823Air Suspension Height Sensor Rear Right
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.