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 |
|---|---|---|---|
| P148C | Output module 2 for heating of reductant: malfunction; Lower limit exceeded | 10 | Powertrain |
| P148D | Implausible frequency | 12 | Powertrain |
| P148E | Rialú brú an tuirbhe | 7 | Powertrain |
| P148F | EVAP purge pump voltage sensor high voltage | 12 | Powertrain |
| P1490 | Particle filter | 27 | Powertrain |
| P1491 | VC Cut/V Bypass/V | 28 | Powertrain |
| P1492 | Purge Control/V S/V | 23 | Powertrain |
| P1493 | Purge Control/V & S/V | 25 | Powertrain |
| P1494 | SPCUT Solenoid Circuit | 16 | Powertrain |
| P1495 | TCSPL solenoid circuit | 19 | Powertrain |
| P1496 | 5V supply, output too low | 21 | Powertrain |
| P1497 | Gauge orifice solenoid valve circuit | 19 | Powertrain |
| P1498 | DPF over loading | 18 | Powertrain |
| P1499 | Air cleaner leak | 23 | Powertrain |
| P149A | EGR jahutuspump | 13 | Powertrain |
| P149B | EGR jahutuspump | 14 | Powertrain |
| P149C | Boost actuator position over | 17 | Powertrain |
| P149D | Transfer pump for reductant: open circuit; Open circuit | 15 | Powertrain |
| P149E | Transfer pump for reductant: short to GND; Defective | 15 | Powertrain |
| P149F | Transfer pump for reductant: short to plus | 13 | Powertrain |
| P14A0 | Cooling fan motor partially blocked | 13 | Powertrain |
| P14A1 | Coolant pump motor blocked | 11 | Powertrain |
| P14A2 | Coolant pump dry run | 10 | Powertrain |
| P14A3 | EGR exchanger bypass | 12 | Powertrain |
| P14A4 | EGR heat exchanger by-pass | 10 | Powertrain |
| P14A5 | Czujnik 1 temperatury spalin bank 4 | 8 | Powertrain |
| P14A6 | Sensor 3a untuk suhu ekzos bank 1 | 9 | Powertrain |
| P14A7 | EGR valve not terminated | 11 | Powertrain |
| P14A8 | Turboahdinpaikan mittaus | 9 | Powertrain |
| P14A9 | Turbocharger | 10 | Powertrain |
| P14AA | Air metering valve | 11 | Powertrain |
| P14AB | Exhaust gas flow area | 11 | Powertrain |
| P14AC | Fuel flow regulator control failure | 11 | Powertrain |
| P14AD | Cranking switch circuit short to battery | 10 | Powertrain |
| P14AE | Fuel flow regulator control failure | 10 | Powertrain |
| P14AF | Voeding A sensor | 8 | Powertrain |
| P14B0 | Voeding A sensor | 9 | Powertrain |
| P14B1 | Voeding A sensor | 10 | Powertrain |
| P14B2 | Voeding A sensor | 9 | Powertrain |
| P14B3 | Ground suplai sensor | 10 | Powertrain |
| P14B4 | Reductant rõhuandur | 8 | Powertrain |
| P14B5 | Reductant rõhuandur | 8 | Powertrain |
| P14B6 | Reduktanttrykksensor | 9 | Powertrain |
| P14B7 | Reductant rõhuandur | 8 | Powertrain |
| P14B8 | Sensor suhu tangki reduktan | 7 | Powertrain |
| P14B9 | Sensor suhu tangki reduktan | 7 | Powertrain |
| P14BA | Sensor suhu tangki reduktan | 7 | Powertrain |
| P14BB | Sensor suhu tangki reductan | 7 | Powertrain |
| P14BC | Modul kualiti reductant | 7 | Powertrain |
| P14BD | Modul kualiti reductant | 7 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.