GMC fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
GMC shares fault-code data with GM. Data may not cover GMC-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| P2286 | Injector control pressure sensor circuit high | 23 | Powertrain |
| P2287 | Injector control pressure sensor circuit intermittent | 21 | Powertrain |
| P2288 | Injector control pressure too high | 28 | Powertrain |
| P2289 | Injector Control Pressure Too High - Engine Off | 26 | Powertrain |
| P228A | Fuel Pressure Regulator 1 - Forced Engine Shutdown | 22 | Powertrain |
| P228B | Fuel Pressure Regulator 2 - Forced Engine Shutdown | 21 | Powertrain |
| P228C | Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too Low | 25 | Powertrain |
| P228D | Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too High | 28 | Powertrain |
| P228E | Fuel Pressure Regulator 1 Exceeded Learning Limits - Too Low | 23 | Powertrain |
| P228F | Fuel Pressure Regulator 1 Exceeded Learning Limits - Too High | 25 | Powertrain |
| P2290 | Injector control pressure too low | 23 | Powertrain |
| P2291 | Fuel pressure measurement value on the fuel high-pressure common rail | 25 | Powertrain |
| P2292 | Injector control pressure erratic | 22 | Powertrain |
| P2293 | Fuel Pressure Regulator 2 Performance | 27 | Powertrain |
| P2294 | Fuel Pressure Regulator 2 Control Circuit | 31 | Powertrain |
| P2295 | Fuel Pressure Regulator 2 Control Circuit Low | 31 | Powertrain |
| P2296 | Fuel Pressure Regulator B Control Circuit High | 33 | Powertrain |
| P2297 | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1 | 35 | Powertrain |
| P2298 | O2 Sensor Out of Range During Deceleration Bank 2 Sensor 1 | 31 | Powertrain |
| P2299 | Brake Pedal Position/Accelerator Pedal Position Incompatible | 35 | Powertrain |
| P229A | Fuel Pressure Regulator 2 Exceeded Control Limits - Pressure Too Low | 25 | Powertrain |
| P229B | Fuel Pressure Regulator 2 Exceeded Control Limits - Pressure Too High | 25 | Powertrain |
| P229C | Fuel Pressure Regulator 2 Exceeded Learning Limits - Too Low | 19 | Powertrain |
| P229D | Fuel Pressure Regulator 2 Exceeded Learning Limits - Too High | 19 | Powertrain |
| P229E | NOx Sensor Circuit (Bank 1 Sensor 2) | 17 | Powertrain |
| P229F | NOx sensor circuit range/performance bank 1 sensor 2 | 17 | Powertrain |
| P22A0 | NOx sensor circuit low bank 1 sensor 2 | 16 | Powertrain |
| P22A1 | NOx sensor circuit high bank 1 sensor 2 | 16 | Powertrain |
| P22A2 | NOx sensor circuit intermittent bank 1 sensor 2 | 10 | Powertrain |
| P22A3 | NOx sensor heater control circuit/open bank 1 sensor 2 | 13 | Powertrain |
| P22A4 | NOx sensor heater control circuit low bank 1 sensor 2 | 12 | Powertrain |
| P22A5 | NOx sensor heater control circuit high bank 1 sensor 2 | 11 | Powertrain |
| P22A6 | NOx sensor heater sense circuit bank 1 sensor 2 | 13 | Powertrain |
| P22A7 | NOx sensor heater sense circuit range/performance bank 1 sensor 2 | 14 | Powertrain |
| P22A8 | NOx sensor heater sense circuit low bank 1 sensor 2 | 10 | Powertrain |
| P22A9 | NOx sensor heater sense circuit high bank 1 sensor 2 | 10 | Powertrain |
| P22AB | Oxygen sensor positive current control circuit/open bank 1 sensor 2 | 14 | Powertrain |
| P22AC | Oxygen sensor positive current control circuit low bank 1 sensor 2 | 11 | Powertrain |
| P22AD | Oxygen sensor positive current control circuit high bank 1 sensor 2 | 11 | Powertrain |
| P22AE | Oxygen sensor reference voltage circuit/open bank 1 sensor 2 | 13 | Powertrain |
| P22AF | Oxygen sensor reference voltage performance bank 1 sensor 2 | 10 | Powertrain |
| P22B0 | Oxygen sensor reference voltage circuit low bank 1 sensor 2 | 10 | Powertrain |
| P22B1 | Oxygen sensor reference voltage circuit high bank 1 sensor 2 | 12 | Powertrain |
| P22B2 | Oxygen sensor negative current control circuit/open bank 1 sensor 2 | 14 | Powertrain |
| P22B3 | Oxygen sensor negative current control circuit low bank 1 sensor 2 | 12 | Powertrain |
| P22B4 | Oxygen sensor negative current control circuit high bank 1 sensor 2 | 12 | Powertrain |
| P22B6 | Oxygen sensor pumping current trim circuit low bank 1 sensor 2 | 11 | Powertrain |
| P22B7 | Oxygen sensor pumping current trim circuit high bank 1 sensor 2 | 11 | Powertrain |
| P22CF | Turbocharger turbine inlet valve control circuit/open | 14 | Powertrain |
| P22D0 | Turbocharger turbine inlet valve control circuit low | 12 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.