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 |
|---|---|---|---|
| C1222 | Seat depth motor - passenger's | 26 | Chassis |
| C1223 | Seat depth sensor - passenger's | 22 | Chassis |
| C1224 | Seat tilt motor - passenger's | 16 | Chassis |
| C1225 | Speed control relay - passenger's | 25 | Chassis |
| C1226 | Excessive RF Wheel Acceleration | 25 | Chassis |
| C1227 | Seat lumbar support/massage CM - passenger's | 16 | Chassis |
| C1228 | Excessive RR Wheel Acceleration | 15 | Chassis |
| C1229 | Torque and angle signal power supply failure | 12 | Chassis |
| C122A | ECU temperature too high | 8 | Chassis |
| C122B | Power torque output reduced due to low voltage | 8 | Chassis |
| C122E | Serious deviation between motor rotor position and sensor signal position during plausibility detection | 8 | Chassis |
| C122F | Serious deviation between rotor steering angle signal and rotor redundant steering angle signal | 10 | Chassis |
| C1230 | Seat height adjustment sensor - driver's | 12 | Chassis |
| C1231 | Control unit internal fault | 25 | Chassis |
| C1232 | Seat tilt adjustment sensor - passenger's | 15 | Chassis |
| C1233 | Seat height adjustment sensor - passenger's | 17 | Chassis |
| C1234 | Seat forward/rearward sensor - passenger's | 19 | Chassis |
| C1235 | Seat forward/rearward sensor - driver's | 19 | Chassis |
| C1236 | Vehicle speed signal invalid | 27 | Chassis |
| C1237 | This test guides the operator with setting the sensitivity of the microwave sensors and C1238 | 17 | Chassis |
| C1238 | This test guides the operator with setting the sensitivity of the microwave sensors C1237 and | 11 | Chassis |
| C1239 | Check the wiring between %ecu and HVAC Interface Module | 13 | Chassis |
| C123A | If C2206, and/or C2202 are active then continue, else if any other ABS DTCs are active correct those first before continuing | 11 | Chassis |
| C123B | Electronic Brake Control Module RAM Program Overflow | 10 | Chassis |
| C123C | Electronic Brake Control Module RAM Malfunction | 8 | Chassis |
| C123D | Electronic Brake Control Module Solenoid Valve Timeout | 7 | Chassis |
| C123E | Electronic Brake Control Module RAM Periodic Interrupt | 7 | Chassis |
| C123F | System Voltage Low | 7 | Chassis |
| C1240 | ABS received data invalid | 14 | Chassis |
| C1241 | FL outlet valve | 26 | Chassis |
| C1242 | Pump motor circuit open | 18 | Chassis |
| C1243 | Pump Motor Stalled (Solid state motor control only) | 10 | Chassis |
| C1244 | Longitudinal G sensor | 14 | Chassis |
| C1245 | Longitudinal G sensor | 16 | Chassis |
| C1246 | Rear Right sub loudspeaker | 26 | Chassis |
| C1247 | Rear left sub loudspeaker | 13 | Chassis |
| C1248 | Differential lock SW open wire | 13 | Chassis |
| C1249 | Tyre Pressure Sensor - Front Left | 15 | Chassis |
| C124A | AWD Oil Pump Motor Speed Sensor Signal Circuit High Voltage | 11 | Chassis |
| C124B | AWD Oil Pump Motor Speed Sensor Signal Circuit Erratic | 8 | Chassis |
| C124C | Left Front Wheel Speed Sensor Incorrect Mounting | 8 | Chassis |
| C124D | Internal 5V Sensor Supply | 7 | Chassis |
| C124E | Left Rear Wheel Speed Sensor Incorrect Mounting | 8 | Chassis |
| C124F | Control Module Improper Shutdown | 10 | Chassis |
| C1250 | Tyre Pressure Sensor - Front Right | 19 | Chassis |
| C1251 | Tyre Pressure Sensor - Rear Left | 25 | Chassis |
| C1252 | Tyre Pressure Sensor - Rear Right | 16 | Chassis |
| C1253 | SAS sensor abnormal | 14 | Chassis |
| C1254 | EPS ECU internal fault (related to APA) | 17 | Chassis |
| C1255 | Internal Control Module Random Access Memory (RAM) Error | 14 | Chassis |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.