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 |
|---|---|---|---|
| U2BE9 | No description available | 6 | Network |
| U2BEA | No description available | 6 | Network |
| U2BEB | No description available | 6 | Network |
| U2BEC | No description available | 6 | Network |
| U2BED | No description available | 6 | Network |
| U2BEE | No description available | 6 | Network |
| U2BF1 | No description available | 6 | Network |
| U2BF2 | No description available | 6 | Network |
| U2BF3 | No description available | 6 | Network |
| U2BF4 | No description available | 6 | Network |
| U2BF5 | No description available | 6 | Network |
| U2BF6 | No description available | 6 | Network |
| U2BF7 | No description available | 6 | Network |
| U2BF8 | No description available | 6 | Network |
| U2BFB | No description available | 6 | Network |
| U2BFC | No description available | 6 | Network |
| U2BFF | High Voltage Bus System Isolation Fault | 6 | Network |
| U2C00 | No description available | 6 | Network |
| U2C01 | No description available | 6 | Network |
| U2C02 | No description available | 6 | Network |
| U2C03 | No description available | 6 | Network |
| U2C04 | No description available | 6 | Network |
| U2C05 | No description available | 6 | Network |
| U2C06 | No description available | 6 | Network |
| U2C07 | No description available | 6 | Network |
| U2C08 | No description available | 6 | Network |
| U2C09 | No description available | 6 | Network |
| U2C0A | No description available | 6 | Network |
| U2C0B | No description available | 6 | Network |
| U2C0C | No description available | 6 | Network |
| U2C0D | No description available | 6 | Network |
| U2C0E | No description available | 6 | Network |
| U2C0F | No description available | 6 | Network |
| U2C10 | No description available | 6 | Network |
| U2C11 | No description available | 6 | Network |
| U2C12 | No description available | 6 | Network |
| U2C14 | No description available | 6 | Network |
| U2C15 | No description available | 6 | Network |
| U2C16 | No description available | 6 | Network |
| U2C17 | No description available | 6 | Network |
| U2C18 | No description available | 6 | Network |
| U2C19 | No description available | 6 | Network |
| U2C1A | No description available | 6 | Network |
| U2C1B | No description available | 6 | Network |
| U2C1C | No description available | 6 | Network |
| U2C1D | No description available | 6 | Network |
| U2C1E | No description available | 6 | Network |
| U2C1F | No description available | 6 | Network |
| U2C20 | No description available | 6 | Network |
| U2C21 | No description available | 6 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.