C00xx OBD-II Codes (C0000–C0099)

99 fault codes in the C00xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

C0001 critical
ABS Control Module Internal Error
C0002 critical
ABS Control Module Communication Error
C0003 critical
ABS Control Module Performance
C0004 critical
ABS Control Module Ground Circuit
C0005 critical
ABS Control Module Power Supply
C0006 critical
ABS Pump Motor Circuit Open
C0007 critical
ABS Pump Motor Circuit Short to Ground
C0008 critical
ABS Pump Motor Circuit Short to Battery
C0009 critical
ABS Pump Motor Stalled
C0010 moderate
ABS Pump Motor Running Too Long
C0011 critical
ABS Inlet Valve Solenoid Circuit - Front Left
C0012 critical
ABS Inlet Valve Solenoid Circuit - Front Right
C0013 critical
ABS Inlet Valve Solenoid Circuit - Rear Left
C0014 critical
ABS Inlet Valve Solenoid Circuit - Rear Right
C0015 critical
ABS Outlet Valve Solenoid Circuit - Front Left
C0016 critical
ABS Outlet Valve Solenoid Circuit - Front Right
C0017 critical
ABS Outlet Valve Solenoid Circuit - Rear Left
C0018 critical
ABS Outlet Valve Solenoid Circuit - Rear Right
C0019 critical
ABS Pressure Sensor Circuit
C0020 moderate
ABS Pressure Sensor Circuit Range/Performance
C0021 moderate
ABS Pressure Sensor Circuit Low
C0022 moderate
ABS Pressure Sensor Circuit High
C0023 moderate
ABS Brake Switch Circuit
C0024 moderate
ABS Brake Switch Circuit Range/Performance
C0025 moderate
ABS Excessive Brake Pedal Travel
C0026 critical
ABS Enable Relay Circuit
C0027 critical
ABS Enable Relay Circuit Open
C0028 critical
ABS Enable Relay Circuit Short
C0029 moderate
ABS Wheel Speed Sensor Frequency Error
C0030 critical
ABS System Control Circuit
C0031 critical
ABS System Control Circuit Range/Performance
C0032 moderate
ABS System Calibration Required
C0033 moderate
ABS System Voltage Too Low
C0034 moderate
ABS System Voltage Too High
C0035 critical
Left Front Wheel Speed Sensor Circuit
C0036 critical
Left Front Wheel Speed Sensor Circuit Low
C0037 critical
Left Front Wheel Speed Sensor Circuit High
C0038 moderate
Left Front Wheel Speed Sensor Circuit Intermittent
C0039 moderate
Left Front Wheel Speed Sensor Erratic Signal
C0040 critical
Right Front Wheel Speed Sensor Circuit
C0041 critical
Right Front Wheel Speed Sensor Circuit Low
C0042 critical
Right Front Wheel Speed Sensor Circuit High
C0043 moderate
Right Front Wheel Speed Sensor Circuit Intermittent
C0044 moderate
Right Front Wheel Speed Sensor Erratic Signal
C0045 critical
Left Rear Wheel Speed Sensor Circuit
C0046 critical
Left Rear Wheel Speed Sensor Circuit Low
C0047 critical
Left Rear Wheel Speed Sensor Circuit High
C0048 moderate
Left Rear Wheel Speed Sensor Circuit Intermittent
C0049 moderate
Left Rear Wheel Speed Sensor Erratic Signal
C0050 critical
Right Rear Wheel Speed Sensor Circuit
C0051 critical
Right Rear Wheel Speed Sensor Circuit Range/Performance
C0052 critical
Right Rear Wheel Speed Sensor Circuit Low
C0053 critical
Right Rear Wheel Speed Sensor Circuit High
C0054 moderate
Right Rear Wheel Speed Sensor Circuit Intermittent
C0055 critical
Rear Wheel Speed Sensor Circuit Malfunction
C0056 critical
Left Front Wheel Speed Sensor Circuit Range/Performance
C0057 critical
Left Front Wheel Speed Sensor Circuit Low
C0058 critical
Left Front Wheel Speed Sensor Circuit High
C0059 moderate
Left Front Wheel Speed Sensor Circuit Intermittent
C0060 critical
Left Front Wheel Speed Sensor Circuit Range/Performance
C0061 critical
Right Front Wheel Speed Sensor Circuit Range/Performance
C0062 critical
Right Front Wheel Speed Sensor Circuit Low
C0063 critical
Right Front Wheel Speed Sensor Circuit High
C0064 moderate
Right Front Wheel Speed Sensor Circuit Intermittent
C0065 critical
Right Front Wheel Speed Sensor Circuit Range/Performance
C0066 critical
Left Rear Wheel Speed Sensor Circuit Range/Performance
C0067 critical
Left Rear Wheel Speed Sensor Circuit Low
C0068 critical
Left Rear Wheel Speed Sensor Circuit High
C0069 moderate
Left Rear Wheel Speed Sensor Circuit Intermittent
C0070 critical
Left Rear Wheel Speed Sensor Circuit Range/Performance
C0071 moderate
Right Rear Wheel Speed Sensor Performance
C0072 critical
Right Rear Wheel Speed Sensor Signal Missing
C0073 moderate
Right Rear Wheel Speed Sensor Signal Erratic
C0074 moderate
Right Rear Wheel Speed Sensor Circuit Intermittent
C0075 critical
ABS Motor Relay Circuit Malfunction
C0076 moderate
Left Front Wheel Speed Comparative Performance
C0077 moderate
Right Front Wheel Speed Comparative Performance
C0078 moderate
Left Rear Wheel Speed Comparative Performance
C0079 moderate
Right Rear Wheel Speed Comparative Performance
C0080 critical
ABS Pump Motor Circuit Open
C0081 moderate
ABS Steering Position Sensor Circuit Low
C0082 moderate
ABS Steering Position Sensor Circuit High
C0083 moderate
ABS Steering Position Sensor Circuit Intermittent
C0084 moderate
ABS Steering Position Sensor Performance
C0085 critical
ABS Solenoid Valve Circuit Malfunction
C0086 moderate
ABS Lateral Accelerometer Circuit Low
C0087 moderate
ABS Lateral Accelerometer Circuit High
C0088 moderate
ABS Lateral Accelerometer Circuit Intermittent
C0089 moderate
ABS Lateral Accelerometer Performance
C0090 critical
Brake Pressure Sensor Circuit Malfunction
C0091 moderate
ABS Yaw Rate Sensor Circuit Low
C0092 moderate
ABS Yaw Rate Sensor Circuit High
C0093 moderate
ABS Yaw Rate Sensor Circuit Intermittent
C0094 moderate
ABS Yaw Rate Sensor Performance
C0095 moderate
Brake Pedal Position Sensor Circuit Malfunction
C0096 moderate
ABS Longitudinal Accelerometer Circuit Low
C0097 moderate
ABS Longitudinal Accelerometer Circuit High
C0098 moderate
ABS Longitudinal Accelerometer Circuit Intermittent
C0099 moderate
ABS Longitudinal Accelerometer Performance
← All Chassis ranges All categories Browse by make