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
- C0001TCS Control Channel A Valve 1
- C0002TCS Control Channel A Valve 2
- C0003TCS Control Channel B Valve 1
- C0004TCS Control Channel B Valve 2
- C0010Left Front Inlet Control
- C0011Left Front Outlet Control
- C0012Left Front Hydraulic Release Too Long
- C0014Right Front Inlet Control
- C0015Right Front Outlet Control
- C0016Right Front Hydraulic Release Too Long
- C0018Left Rear Inlet Control
- C0019Left Rear Outlet Control
- C001ALeft Rear Hydraulic Release Too Long
- C001CRight Rear Inlet Control
- C001DRight Rear Outlet Control
- C001ERight Rear Hydraulic Release Too Long
- C0020ABS Pump Motor Circuit
- C0021ABS Pump Motor Circuit Range/Performance
- C0022ABS Pump Motor Circuit Low
- C0023ABS Pump Motor Circuit High
- C0024Brake Pedal Feedback Pressure Solenoid Circuit
- C0025ABS Pump Motor Stalled
- C0030Left Front Wheel Speed Sensor Circuit Range/Performance
- C0031Left Front Wheel Speed Sensor Circuit Low
- C0032Left Front Wheel Speed Sensor Circuit High
- C0033Left Front Wheel Speed Sensor Signal Erratic
- C0034Left Front Wheel Speed Sensor No Signal
- C0035Left Front Wheel Speed Sensor Circuit Malfunction
- C0036Left Front Wheel Speed Sensor Circuit Intermittent
- C0037Left Rear Wheel Speed Sensor
- C0038Left Rear Wheel Speed Sensor Supply
- C0039Right Rear Tone Wheel
- C003ARight Rear Wheel Speed Sensor
- C003BRight Rear Wheel Speed Sensor Supply
- C003CRear Tone Wheel
- C003DRear Wheel Speed Sensor
- C003ERear Wheel Speed Sensor Supply
- C003FWheel Speed Sensors Rotation Direction Correlation
- C0040Right Front Wheel Speed Sensor Circuit Malfunction
- C0041Right Front Wheel Speed Sensor Circuit Range/Performance
- C0042Right Front Wheel Speed Sensor Circuit Low
- C0043Right Front Wheel Speed Sensor Circuit High
- C0044Right Front Wheel Speed Sensor Signal Erratic
- C0045Left Rear Wheel Speed Sensor Circuit Malfunction
- C0046Right Front Wheel Speed Sensor Circuit Intermittent
- C0047Brake Booster Pressure Sensor
- C0048Brake Booster Travel Sensor
- C0049Brake Fluid Level
- C004ABrake Lining Wear Sensor
- C004BBrake Fluid Level Sensor/Switch Circuit/Open
- C004CBrake Booster Motor A Position Sensor Exceeded Learning Limit
- C004DBrake System Pressure Slow Response
- C004EBrake System Pressure Control Valve Actuator Stuck
- C004FABS Control Module Over Temperature
- C0050Right Rear Wheel Speed Sensor Circuit Malfunction
- C0051Power Steering Position Sensor Performance
- C0052Left Rear Wheel Speed Sensor Circuit Low
- C0053Left Rear Wheel Speed Sensor Circuit High
- C0054Left Rear Wheel Speed Sensor Signal Erratic
- C0055Left Rear Wheel Speed Sensor No Signal
- C0056Left Rear Wheel Speed Sensor Circuit Intermittent
- C0060Right Rear Wheel Speed Sensor Circuit
- C0061Right Rear Wheel Speed Sensor Circuit Range/Performance
- C0062Right Rear Wheel Speed Sensor Circuit Low
- C0063Right Rear Wheel Speed Sensor Circuit High
- C0064Right Rear Wheel Speed Sensor Signal Erratic
- C0065Right Rear Wheel Speed Sensor No Signal
- C0066Right Rear Wheel Speed Sensor Circuit Intermittent
- C0069Yaw Rate/Longitude Sensors
- C006AMulti-axis Acceleration Sensor
- C006BStability System Active Too Long
- C006CStability System
- C0070Vehicle Speed Sensor Circuit
- C00712/4 Wheel Drive Status Input
- C0072Brake Temperature Too High
- C0073Delivered Driving Torque
- C0074Requested Driving Torque
- C0075Brake Pedal Position Performance
- C0076PWM for Traction Control
- C0077Low Tire Pressure
- C0078Tire Diameter
- C0079Variable Effort Steering
- C0080Wheel Speed Mismatch (Front Axle)
- C0081Wheel Speed Mismatch (Rear Axle)
- C0082Brake System Malfunction Indicator
- C0083Tire Pressure Monitor Malfunction Indicator
- C0084Traction Active Indicator
- C0085Traction Disable Indicator
- C0086Vehicle Dynamics Indicator
- C0089TCS Disable Switch
- C008ATCS Mode Control
- C0090Hydraulic Brake Pressure Sensor Circuit
- C0091Hydraulic Brake Pressure Sensor Circuit Range/Performance
- C00924WD/AWD Power Transfer Unit Position Sensor B
- C00934WD/AWD Power Transfer Unit Temperature Sensor
- C00944WD/AWD Rear Differential Unit Temperature Sensor
- C00954WD/AWD Rear Differential Unit Actuator A
- C00964WD/AWD Rear Differential Unit Actuator A Data
- C00974WD/AWD Rear Differential Unit Actuator B
- C00984WD/AWD Rear Differential Unit Actuator B Data
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.