GM fault codes
17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| C0776 | Tire Pressure Monitoring System Transmitter Synchronization Failure | 6 | Chassis |
| C0777 | Tire Pressure System Transmitter Identification Invalid | 6 | Chassis |
| C0778 | Tire Inflation Monitor Switch Circuit | 6 | Chassis |
| C0779 | Tire Inflation Monitor Signal | 6 | Chassis |
| C0780 | Left Front Tire Pressure Sensor Detector | 6 | Chassis |
| C0781 | Right Front Tire Pressure Sensor Detector | 6 | Chassis |
| C0782 | Left Rear Tire Pressure Sensor Detector | 6 | Chassis |
| C0783 | Right Rear Tire Pressure Sensor Detector | 7 | Chassis |
| C0784 | Spare Tire Pressure Sensor | 7 | Chassis |
| C0785 | Replace Electronic Control Unit | 7 | Chassis |
| C0786 | Two Undetermined Tire Pressure Sensors | 6 | Chassis |
| C0787 | Three Undetermined Tire Pressure Sensors | 8 | Chassis |
| C0788 | Four Undetermined Tire Pressure Sensors | 7 | Chassis |
| C0789 | Deflation Detection System | 7 | Chassis |
| C078A | Tire Pressure Indicator Module | 6 | Chassis |
| C0790 | Tire Pressure Sensors Antenna | 8 | Chassis |
| C0800 | Device power #1 circuit malfunction | 10 | Chassis |
| C0805 | Control Module Power 2 Circuit | 8 | Chassis |
| C0820 | Device Ground Circuit | 6 | Chassis |
| C0840 | Control Module Ignition 0 Unlock, On, and Start Circuit | 6 | Chassis |
| C0845 | Control Module Ignition 1 On and Start Circuit | 7 | Chassis |
| C0847 | Control Module Ignition 1 Circuit Low Voltage | 7 | Chassis |
| C0848 | Control Module Ignition 1 Circuit Stuck On | 7 | Chassis |
| C0850 | Control Module Ignition 3 Circuit | 6 | Chassis |
| C0855 | Control Module Ignition Accessory Circuit | 7 | Chassis |
| C0857 | Control Module Ignition Accessory Circuit Low Voltage | 7 | Chassis |
| C0860 | Control Module Ignition Start Circuit | 7 | Chassis |
| C0865 | Control Module Voltage Reference Input Circuit | 6 | Chassis |
| C0870 | Device voltage reference output 1 circuit malfunction | 7 | Chassis |
| C0880 | Control Module Voltage Reference Output 2 Circuit | 6 | Chassis |
| C0890 | Device Voltage Reference Output 3 Circuit Low Voltage | 6 | Chassis |
| C0895 | Device voltage malfunction | 6 | Chassis |
| C0896 | Device Voltage Range Performance | 6 | Chassis |
| C0897 | No description available | 7 | Chassis |
| C0898 | Control Module Power and Ground Circuits | 7 | Chassis |
| C0899 | Battery voltage low | 7 | Chassis |
| C0900 | Battery voltage high | 8 | Chassis |
| C0903 | Ignition-Switched Power Relay Circuit | 8 | Chassis |
| C0914 | Control Module Voltage Output 1 Circuit | 7 | Chassis |
| C0931 | System thermal high | 6 | Chassis |
| C1000 | Hill descent control function | 24 | Chassis |
| C1001 | Tandem brake master cylinder, pressure: Plausibility | 22 | Chassis |
| C1002 | RF of left rear TPMS communication failure | 17 | Chassis |
| C1003 | Vacuum supply: Leak detected | 19 | Chassis |
| C1004 | ABS operation fault | 19 | Chassis |
| C1005 | Torque sensor power voltage failure (in usual condition) | 20 | Chassis |
| C1006 | Motor terminal voltage failure [at abnormal condition failure] (#41) | 18 | Chassis |
| C1007 | Diag C I B U S C M T O | 20 | Chassis |
| C1008 | Diag C I B U S C M T O | 19 | Chassis |
| C1009 | Diag C I B U S C M B Z E2 E | 21 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.