Diagnostic Code Index
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC C0035-C0050 | C0035 00: Left Front Wheel Speed Sensor Circuit C0035 02: Left Front Wheel Speed Sensor Circuit Short to Ground C0035 05: Left Front Wheel Speed Sensor Circuit Short to Battery or Open C0035 0F: Left Front Wheel Speed Sensor Circuit Erratic Signal C0035 18: Left Front Wheel Speed Sensor Circuit Signal Amplitude Less Than Minimum C0040 00: Right Front Wheel Speed Sensor Circuit C0035 02: Right Front Wheel Speed Sensor Circuit Short to Ground C0035 05: Right Front Wheel Speed Sensor Circuit Short to Battery or Open C0040 0F: Right Front Wheel Speed Sensor Circuit Erratic Signal C0040 18: Right Front Wheel Speed Sensor Circuit Signal Amplitude Less Than Minimum C0045 00: Left Rear Wheel Speed Sensor Circuit C0035 02: Left Rear Wheel Speed Sensor Circuit Short to Ground C0035 05: Left Rear Wheel Speed Sensor Circuit Short to Battery or Open C0045 0F: Left Rear Wheel Speed Sensor Circuit Erratic Signal C0045 18: Left Rear Wheel Speed Sensor Circuit Signal Amplitude Less Than Minimum C0050 00: Right Rear Wheel Speed Sensor Circuit C0035 02: Right Rear Wheel Speed Sensor Circuit Short to Ground C0035 05: Right Rear Wheel Speed Sensor Circuit Short to Battery or Open C0050 0F: Right Rear Wheel Speed Sensor Circuit Erratic Signal C0050 18: Right Rear Wheel Speed Sensor Circuit Signal Amplitude Less Than Minimum |
| DTC C0110 | C0110 03: Pump Motor Circuit Voltage Below Threshold C0110 04: Pump Motor Open Circuit C0110 07: Pump Motor Circuit Voltage Above Threshold C0110 61: Pump Motor Circuit Actuator Stuck |
| DTC C0116 | C0116 11: Pump Motor Relay Circuit Above Maximum Threshold C0116 12: Pump Motor Relay Circuit Below Minimum Threshold C0116 5A: Pump Motor Relay Circuit Plausibility Failure |
| DTC C0121 | C0121 00: Valve Relay Circuit |
| DTC C0131 | C0131 01: ABS Pressure Circuit Short to Battery C0131 06: ABS Pressure Circuit Short to Ground or Open C0131 55: ABS Pressure Circuit Expected Number of Transition/Events Exceeded C0131 4B: ABS Pressure Circuit Calibration Not Learned C0131 5A: ABS Pressure Sensor Plausibility Failure C0131 0F: ABS Pressure Circuit Erratic |
| DTC C0136 | C0136 00: Base Brake System Pressure Circuit C0136 08: Base Brake System Pressure Circuit Signal Invalid |
| DTC C0137 | C0137 11: Base Brake System Pressure Circuit Range Above Maximum C0137 12: Base Brake System Pressure Circuit Range Below Maximum Threshold |
| DTC C0161 | C0161 11: Antilock Brake System (ABS) Brake Switch/Sensor Circuit Above Maximum Threshold. C0161 12: Antilock Brake System (ABS) Brake Switch/Sensor Circuit Below Minimum Threshold. C0161 5A: Antilock Brake System (ABS) Brake Switch/Sensor Circuit not Plausible. |
| DTC C0179 | C0179 00: System Thermal High C0179 54: System Thermal Temperature High |
| DTC C0186 (Without JL7) | C0186 00: Lateral Accelerometer Circuit C0186 08: Lateral Accelerometer Circuit Signal Invalid C0186 09: Lateral Accelerometer Circuit Rate of Change Above Threshold C0186 19: Lateral Accelerometer Circuit Signal Amplitude Above Maximum C0186 1A: Lateral Accelerometer Circuit Bias Level Out Of Range C0186 52: Lateral Accelerometer Circuit Compare Failure |
| DTC C0186 (With JL7) | C0186 00: Lateral Accelerometer Circuit C0186 08: Lateral Accelerometer Circuit Signal Invalid C0186 09: Lateral Accelerometer Circuit Rate of Change Above Threshold C0186 19: Lateral Accelerometer Circuit Signal Amplitude Above Maximum C0186 1A: Lateral Accelerometer Circuit Bias Level Out Of Range C0186 52: Lateral Accelerometer Circuit Compare Failure C0186 3B: Lateral Accelerometer Circuit Erratic Internal Self Test Failed C0186 39: Lateral Accelerometer Circuit Internal electronic failure C0186 75: Lateral Accelerometer Circuit Signal Above Allowable Range |
| DTC C0192 | C0192 00: Four Wheel Drive (4WD) Reference Accelerometer Circuit C0192 1A: Four Wheel Drive (4WD) Bias Level Out of Range |
| DTC C0196 (Without JL7) | C0196 00: Yaw Rate Circuit C0196 5A: Yaw Rate Circuit Erratic |
| DTC C0196 (With JL7) | C0196 00: Yaw Rate Circuit C0196 09: Yaw Rate Circuit Rate of Change Above Threshold C0196 52: Yaw Rate Circuit Compare Failure C0196 1A: Yaw Rate Circuit Bias Level Out Of Range C0196 3B: Yaw Rate Sensor Internal Self Test Failed C0196 39: Yaw Rate Circuit Internal electronic failure C0196 75: Yaw Rate Circuit Signal Above Allowable Range |
| DTC C0201 | C0201 04: Antilock Brake System (ABS) Enable Relay Contact Circuit |
| DTC C0220-C0229 | C0220: Left Front ABS Channel in Release Too Long C0221: Right Front ABS Channel in Release Too Long C0228: Left Rear ABS Channel in Release Too Long C0229: Right Rear ABS Channel in Release Too Long |
| DTC C0240 | C0240 00: ECM Traction Control Not Allowed |
| DTC C0242 | C0242: ECM Indicated TCS Malfunction |
| DTC C0245 | C0245: Wheel Speed Sensor Frequency Error |
| DTC C0249 or C0250 | C0249: Left Normal Force Error CO250: Right Normal Force Error |
| DTC C0252 | C0252: VSES Sensors Uncorrelated |
| DTC C0253 | C0253 00: Centering Error |
| DTC C0254 | C0281: DRP Performance |
| DTC C0253 or C0254 | C0281: DRP Performance |
| DTC C0281 or C081 | C0281 00: Dynamic Rear Proportioning (DRP) Performance |
| DTC C0287 | 09 Longitudinal Accelerometer Circuit Rate of Change Above Threshold |
| DTC C0292 | C0292: VSES Combination Sensor Circuits |
| DTC C0294 | C0294 00: Brake Switch Position Sensor Correlation |
| DTC C0450 | C0450 0B: Steering Assist Control Actuator Circuit Current Above Threshold C0450 02: Steering Assist Control Actuator Circuit Shorted to Ground C0450 04: Steering Assist Control Actuator Open Circuit |
| DTC C0550 | C0550 00: Electronic Control Unit (ECU) Performance C0550 01: Electronic Control Unit (ECU) Performance Short to Battery C0550 04: Electronic Control Unit (ECU) Performance Open Circuit |
| DTC C0551 | C0551 00: Option Configuration Error |
| DTC C0552 | C0552: Improper Shutdown |
| DTC C0558 | C0558: Calibration Data Not Programmed/Learned |
| DTC C0561 | C0561 71: System Disabled Information Stored, Invalid Serial Data Received: Electronic Brake Control Module, Suspension Control Module, Active Front Steering, Steering Wheel Position, Inertial Sensor |
| DTC C0565 | C0565 00: Vehicle Identification Number (VIN) Information Error |
| DTC C056D | C056D 34: ECU Hardware Performance RAM Failure C056D 35: ECU Hardware Performance ROM Failure |
| DTC C0710 (Without JL7) | C0710 00: Steering Position Signal C0710 1A: Steering Position Signal Bias Level Out of Range C0710 1F: Steering Position Signal Intermittent C0710 52: Steering Position Signal Compare Failure |
| DTC C0710 (With JL7) | C0710 09: Steering Angle Sensor Signal Rate of Change Above Threshold C0710 39: Steering Angle Sensor Signal Internal Electronic Failure C0710 71: Steering Angle Sensor Signal Invalid Serial Data Received C0710 75: Steering Angle Sensor Signal Above Allowable Range C0710 4B: Steering Angle Sensor Signal Calibration not Learned |
| DTC C0774 | C0774: Low Tire Pressure System Performance |
| DTC C0800 | C0800 03: Device Power 1 Circuit Voltage Below Threshold C0800 07: Device Power 1 Circuit Voltage Above Threshold |
| DTC C0820 | C0820 07: Device Ground 1 Circuit |
| DTC C0870 | C0870 03: Device Voltage Reference Output 1 Circuit Voltage Below Threshold C0870 07: Device Voltage Reference Output 1 Circuit Voltage Above Threshold |
| DTC C0899 | C0899: Device Voltage Low |
| DTC C0900 | C0900: Device Voltage High |
| DTC U0123 | U0123: Lost Communications With Chassis Control (YRS) System |
| DTC U0126 | U0126: Lost Communications With Steering Control (SAS) System |
| DTC U1820 | U1820: Lost Communications With Antilock Brake System (ABS) Control Module on Bus B |
| DTC U1822 | U1822: Lost Communications With Active Front Steering (AFS) Control Module on Bus B |
| DTC U1824 | U1824: Lost Communications With Ride Level Control Module |