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 |
|---|---|---|---|
| U1611 | Engine ECU (IMMO function): PIN the default value | 12 | Network |
| U1612 | ACC network signal invalid | 14 | Network |
| U1613 | TCU network signal invalid | 11 | Network |
| U1615 | Accelerator pedal network signal invalid | 9 | Network |
| U1617 | No description available | 9 | Network |
| U161C | No description available | 6 | Network |
| U161D | No description available | 7 | Network |
| U161E | No description available | 6 | Network |
| U1621 | HS CAN ABS Time Out | 8 | Network |
| U1622 | No description available | 7 | Network |
| U1627 | No description available | 6 | Network |
| U1628 | No description available | 6 | Network |
| U1629 | No description available | 6 | Network |
| U162C | No description available | 6 | Network |
| U162D | No description available | 7 | Network |
| U162E | No description available | 6 | Network |
| U162F | No description available | 6 | Network |
| U1630 | No description available | 7 | Network |
| U1631 | Wheel Sensor Driven Axle Left. Incorrect Change Rate | 7 | Network |
| U1632 | No description available | 7 | Network |
| U1633 | No description available | 7 | Network |
| U1634 | No description available | 6 | Network |
| U1635 | No description available | 6 | Network |
| U1636 | No description available | 6 | Network |
| U1637 | No description available | 6 | Network |
| U1638 | No description available | 6 | Network |
| U1639 | No description available | 6 | Network |
| U163A | No description available | 6 | Network |
| U163B | No description available | 6 | Network |
| U163C | No description available | 6 | Network |
| U163D | No description available | 7 | Network |
| U163E | No description available | 7 | Network |
| U1640 | No description available | 9 | Network |
| U1642 | Communication with economy running | 10 | Network |
| U1643 | No description available | 8 | Network |
| U1645 | No description available | 6 | Network |
| U1647 | No description available | 6 | Network |
| U164A | No description available | 6 | Network |
| U164B | No description available | 6 | Network |
| U164C | No description available | 6 | Network |
| U164E | No description available | 6 | Network |
| U164F | No description available | 6 | Network |
| U1650 | Tietoja CAN-verkosta | 8 | Network |
| U1651 | ABS or ESP checksum checksum error | 9 | Network |
| U1652 | ABS or ESP LiveCounter - LiveCounter error | 7 | Network |
| U1653 | Chassis Systems High Speed Communication Enable Circuit | 7 | Network |
| U1654 | No description available | 7 | Network |
| U1655 | No description available | 7 | Network |
| U1656 | No description available | 10 | Network |
| U1657 | No description available | 7 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.