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 |
|---|---|---|---|
| P19FD | Hybrid/EV battery pack coolant pump feedback circuit high frequency | 10 | Powertrain |
| P19FE | Hybrid/EV batteripakke kølevæskepumpe feedbackkreds lav frekvens | 9 | Powertrain |
| P19FF | Hybrid/EV-batteripakke kølevæskepumpe feedbackkreds ydeevne | 10 | Powertrain |
| P1A01 | Generator Brake Performance | 20 | Powertrain |
| P1A02 | Transmission One Way Clutch Performance | 17 | Powertrain |
| P1A03 | Drive Motor A Shutdown Circuit | 18 | Powertrain |
| P1A04 | Generator Shutdown Circuit | 17 | Powertrain |
| P1A05 | Desired engine speed signal | 18 | Powertrain |
| P1A06 | Vehicle Mode Signal | 17 | Powertrain |
| P1A07 | Inverter High Voltage Performance | 16 | Powertrain |
| P1A08 | Generator Mode Signal | 16 | Powertrain |
| P1A0A | Immediate shutdown signal | 16 | Powertrain |
| P1A0B | Hybrid battery power limit exceeded | 15 | Powertrain |
| P1A0C | Hybrid Powertrain Control Module - Engine Disabled | 14 | Powertrain |
| P1A0D | Hybrid Powertrain Control Module - Generator Disabled | 14 | Powertrain |
| P1A0E | Hybrid Powertrain Control Module - Motor Disabled | 17 | Powertrain |
| P1A0F | Battery energy control module Hybrid/EV battery voltage sensor circuit high voltage | 17 | Powertrain |
| P1A17 | Variable Voltage Controller Processor | 13 | Powertrain |
| P1A20 | Key position output circuit low | 17 | Powertrain |
| P1A21 | Hybrid/electric vehicle battery - Water intrusion detected | 16 | Powertrain |
| P1A22 | Hybrid/EV DC Bus 'A' Shorted | 15 | Powertrain |
| P1A23 | BIC4 temperature sampling disconnection fault | 15 | Powertrain |
| P1A3B | Traction battery single cell temperature seriously too low | 14 | Powertrain |
| P1A47 | Power battery fault | 13 | Powertrain |
| P1A4A | Driving relay fault | 15 | Powertrain |
| P1A4E | ICM Internal Malfunction(Torque Calculation) | 18 | Powertrain |
| P1A4F | Single battery voltage too low | 15 | Powertrain |
| P1A50 | Drive motor 1 control module random access memory | 16 | Powertrain |
| P1A51 | Drive motor 1 control module read only memory | 17 | Powertrain |
| P1A52 | Drive motor 2 control module not programmed | 16 | Powertrain |
| P1A53 | Drive motor 2 control module random access memory | 15 | Powertrain |
| P1A54 | Collision hardwire alarm | 14 | Powertrain |
| P1A55 | Battery pack capacity low | 14 | Powertrain |
| P1A56 | Hybrid/EV System Voltage Discharge Circuit | 13 | Powertrain |
| P1A57 | High current pull-off contactor | 14 | Powertrain |
| P1A58 | CMU07 cell voltage low | 16 | Powertrain |
| P1A59 | CMU08 cell voltage low | 15 | Powertrain |
| P1A5A | Hybrid/EV battery pack temperature | 15 | Powertrain |
| P1A5B | Battery ECU fault | 14 | Powertrain |
| P1A5C | Motor Torque Control Malfunction | 14 | Powertrain |
| P1A5D | Motor Torque Adjustment Malfunction | 14 | Powertrain |
| P1A5E | Motor Secondary Over Current | 16 | Powertrain |
| P1A5F | Generator Motor Phase Current Sensor | 14 | Powertrain |
| P1A60 | Battery energy control module ignition accessory switch circuit low voltage | 16 | Powertrain |
| P1A61 | CMU04 cell voltage high | 15 | Powertrain |
| P1A62 | CMU05 cell voltage high | 14 | Powertrain |
| P1A63 | CMU06 cell voltage high | 15 | Powertrain |
| P1A64 | CMU07 cell voltage high | 15 | Powertrain |
| P1A65 | CMU08 cell voltage high | 14 | Powertrain |
| P1A66 | CMU09 cell voltage high | 15 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.