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 |
|---|---|---|---|
| C0299 | Exhaust brake cut relay circuit | 7 | Chassis |
| C029A | Vertical Acceleration Sensor Circuit | 6 | Chassis |
| C029C | Brake Controls Brake Pedal Position Sensor Circuit | 8 | Chassis |
| C029D | Brake Booster Solenoid Valve Circuit | 7 | Chassis |
| C029E | Brake Booster Membrane Position Sensor Circuit | 6 | Chassis |
| C029F | Brake Booster System Performance | 6 | Chassis |
| C0300 | Rear Speed Sensor Malfunction | 8 | Chassis |
| C0305 | Front Speed Sensor Malfunction | 8 | Chassis |
| C0306 | EGR Cooler Bypass Actuator. Position Sensor. Bank 2. High Signal | 8 | Chassis |
| C0308 | Diag C I B U S C M T O | 4 | Chassis |
| C0309 | Diag C I B U S C M B Z E2 E | 3 | Chassis |
| C0310 | Motor A/B circuit open | 2 | Chassis |
| C0311 | Motor Ground Circuit | 6 | Chassis |
| C0315 | Motor ground circuit open | 3 | Chassis |
| C0316 | Motor Circuit | 7 | Chassis |
| C0321 | Rear Drive Module Lock Circuit | 6 | Chassis |
| C0323 | T-case lock circuit low | 2 | Chassis |
| C0324 | T-case lock circuit high | 2 | Chassis |
| C0326 | Range Actuator Lock Control System | 6 | Chassis |
| C0327 | Défaut circuit de codage | 8 | Chassis |
| C0334 | Range Actuator Position Switch 4 Circuit | 6 | Chassis |
| C0339 | Range Actuator Position Switch 3 Circuit | 6 | Chassis |
| C0344 | Range Actuator Position Switch 2 Circuit | 6 | Chassis |
| C0349 | Range Actuator Position Switch 1 Circuit | 6 | Chassis |
| C0354 | Park Switch Circuit | 6 | Chassis |
| C0357 | Park switch circuit high | 2 | Chassis |
| C0359 | 4WD Low Range Output Circuit | 6 | Chassis |
| C0362 | 4LO discrete output circuit high | 2 | Chassis |
| C0364 | Front Axle Engagement Actuator Control Circuit | 7 | Chassis |
| C0367 | Front axle control circuit high | 2 | Chassis |
| C0369 | Transfer Case Relay Circuit | 6 | Chassis |
| C0371 | Yaw rate sensor performance | 5 | Chassis |
| C0374 | Falla Sistema General | 6 | Chassis |
| C0376 | Front/rear shaft speed mismatch | 8 | Chassis |
| C0377 | Front and Rear Propshaft Speed Intermittent Correlation | 6 | Chassis |
| C0378 | Front Axle Engagement Feedback Switch Circuit | 6 | Chassis |
| C0379 | Front Axle Engagement System | 7 | Chassis |
| C0381 | Range Actuator System Performance | 7 | Chassis |
| C0382 | Four Wheel Drive Low Range Input Circuit | 6 | Chassis |
| C0387 | Unable To Perform Shift | 7 | Chassis |
| C0388 | Rear Axle Differential Lock Control Circuit | 6 | Chassis |
| C0389 | All Wheel Drive Select Switch Circuit | 6 | Chassis |
| C038C | Transfer Case Clutch Identifier Not Programmed | 6 | Chassis |
| C038D | Range Actuator Position Not Learned | 6 | Chassis |
| C0390 | Intermediate connector | 8 | Chassis |
| C0391 | Rear Axle Switch Circuit | 7 | Chassis |
| C0392 | Transfer Case Range Position Sensor Circuit | 6 | Chassis |
| C0393 | Transfer Case Clutch Solenoid Circuit High Current | 6 | Chassis |
| C0394 | Transfer Case Temperature Sensor Circuit Open or Low Voltage | 6 | Chassis |
| C0395 | Front Axle Differential Lock Control Circuit | 7 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.