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 |
|---|---|---|---|
| P310C | Cell internal resistance | 11 | Powertrain |
| P310D | Cell internal resistance | 11 | Powertrain |
| P310E | Bypass valve for EGR cooler 2: implausible signal; Defective | 12 | Powertrain |
| P310F | Cell internal resistance | 11 | Powertrain |
| P3110 | HV main relay | 18 | Powertrain |
| P3111 | Valve for Pump-Jet Cylinder 8 (N304): Regulation Limit Exceeded | 15 | Powertrain |
| P3112 | Valve for Pump-Jet Cylinder 8 (N304): Regulation Limit not Reached | 13 | Powertrain |
| P3113 | Valve for Pump-Jet Cylinder 8 (N304): Electrical Malfunction | 14 | Powertrain |
| P3114 | Valve for Pump-Jet Cylinder 9 (N305): Implausible Signal | 14 | Powertrain |
| P3115 | Cell resistance difference [133] | 15 | Powertrain |
| P3116 | Valve for Pump-Jet Cylinder 9 (N305): Regulation Limit not Reached | 15 | Powertrain |
| P3117 | Valve for Pump-Jet Cylinder 9 (N305): Electrical Malfunction | 15 | Powertrain |
| P3118 | Valve for Pump-Jet Cylinder 10 (N306): Implausible Signal | 15 | Powertrain |
| P3119 | Valve for Pump-Jet Cylinder 10 (N306): Regulation Limit Exceeded | 15 | Powertrain |
| P311A | Cell internal resistance | 10 | Powertrain |
| P311B | Cell internal resistance | 10 | Powertrain |
| P311C | Cell internal resistance | 10 | Powertrain |
| P311D | Cell internal resistance | 10 | Powertrain |
| P311E | Cell internal resistance | 10 | Powertrain |
| P311F | Cell internal resistance | 9 | Powertrain |
| P3120 | Cell low voltage [000] | 13 | Powertrain |
| P3122 | Valve for Pump-Jet Cylinder 11 (N307): Implausible Signal | 13 | Powertrain |
| P3123 | Cell low voltage [003] | 15 | Powertrain |
| P3124 | Cell low voltage [004] | 15 | Powertrain |
| P3125 | Cell low voltage [005] | 14 | Powertrain |
| P3126 | Valve for Pump-Jet Cylinder 12 (N308): Implausible Signal | 13 | Powertrain |
| P3127 | Valve for Pump-Jet Cylinder 12 (N308): Regulation Limit Exceeded | 13 | Powertrain |
| P3128 | Valve for Pump-Jet Cylinder 12 (N308): Regulation Limit not Reached | 13 | Powertrain |
| P3129 | Valve for Pump-Jet Cylinder 12 (N308): Electrical Malfunction | 13 | Powertrain |
| P312A | Cell low voltage | 9 | Powertrain |
| P312B | Cell low voltage | 9 | Powertrain |
| P312C | Cell low voltage | 9 | Powertrain |
| P312D | Cell low voltage | 9 | Powertrain |
| P312E | Cell low voltage | 9 | Powertrain |
| P312F | Cell low voltage | 10 | Powertrain |
| P3130 | Cell low voltage [016] | 15 | Powertrain |
| P3131 | EGR System: Regulation Range not Reached | 16 | Powertrain |
| P3132 | Glow Plug Control Module 2: Electrical Malfunction | 15 | Powertrain |
| P3133 | Cell low voltage [019] | 15 | Powertrain |
| P3134 | Cell low voltage [020] | 17 | Powertrain |
| P3135 | Cell low voltage [021] | 12 | Powertrain |
| P3136 | Intake Manifold Runner Control: Specified Value not Reached | 13 | Powertrain |
| P3137 | Cell low voltage [023] | 15 | Powertrain |
| P3138 | Cell low voltage [024] | 15 | Powertrain |
| P3139 | Intake Manifold Runner Control: Signal Out of Tolerance | 13 | Powertrain |
| P313A | Cell low voltage | 9 | Powertrain |
| P313B | Cell low voltage | 9 | Powertrain |
| P313C | Cell low voltage | 8 | Powertrain |
| P313D | Cell low voltage | 9 | Powertrain |
| P313E | Cell low voltage | 9 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.