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 |
|---|---|---|---|
| U1659 | No description available | 3 | Network |
| U165B | No description available | 6 | Network |
| U165C | No description available | 6 | Network |
| U165D | No description available | 6 | Network |
| U165E | CAN Data corrupt frame EMS_HSC_FrP00 | 7 | Network |
| U1662 | Throttle/Pedal Position Sensor/Switch D Circuit High Input | 7 | Network |
| U1663 | No description available | 6 | Network |
| U1664 | No description available | 6 | Network |
| U1666 | No description available | 7 | Network |
| U1667 | No description available | 7 | Network |
| U1668 | No description available | 6 | Network |
| U166A | No description available | 6 | Network |
| U166C | No description available | 6 | Network |
| U166D | No description available | 6 | Network |
| U166F | No description available | 3 | Network |
| U1688 | Lost Communication with Hybrid/EV Powertrain Control Module | 7 | Network |
| U168A | Lost Communication with Hybrid/EV Powertrain Control Module | 7 | Network |
| U168D | Lost Communication with Hybrid/EV Powertrain Control Module | 7 | Network |
| U168E | Lost Communication with Hybrid/EV Powertrain Control Module | 7 | Network |
| U1693 | Rząd 1 i 2, prawy napinacz | 8 | Network |
| U16C1 | Lost C1 Message From Electronic Brake Control Module | 7 | Network |
| U16C5 | Lost C5 Message From Electronic Brake Control Module | 7 | Network |
| U16F1 | Lost F1 Message From Body Control Module | 7 | Network |
| U1700 | SCU message lost | 24 | Network |
| U1701 | ECM message lost | 20 | Network |
| U1702 | ESC message lost | 19 | Network |
| U1703 | CAN shift lever signal error | 19 | Network |
| U1704 | Dr.P/W SW CAN Timeout/Not equip | 17 | Network |
| U1705 | CAN brake signal error | 19 | Network |
| U1706 | F-CAN Malfunction (EVCC - Ethernet and OTA Unit) | 21 | Network |
| U1707 | CAN throttle signal error | 16 | Network |
| U1708 | VCU message lost | 12 | Network |
| U1709 | CAN vehicle speed error | 9 | Network |
| U170A | CAN front left speed error | 7 | Network |
| U170B | CAN front right speed error | 7 | Network |
| U170C | CAN rear left speed error | 7 | Network |
| U1710 | Lost Communication with HVAC Control Module | 11 | Network |
| U1711 | TCM communication error | 16 | Network |
| U1712 | Lost communication with right middle door window motor | 12 | Network |
| U1713 | Loss Of Front Door Module to Window Motor High Speed Comm | 11 | Network |
| U1714 | Loss Of Front Door Module to Window Motor Normal Speed Comm | 9 | Network |
| U1715 | Loss Of Front Door Module to Window Motor High Speed Comm | 11 | Network |
| U1716 | Loss Of Front Door Module to Window Motor Normal Speed Comm | 7 | Network |
| U1717 | Left Rear Window Motor Lost Communication with Door Switch Panel Control Module | 7 | Network |
| U1718 | Automatgirkasse | 7 | Network |
| U1719 | Right Rear Window Motor Lost Communication with Door Switch Panel Control Module | 7 | Network |
| U171A | Lost Communication with Inflatable Restraint Sensing and Diagnostic Module | 7 | Network |
| U1720 | Kaotatud side rehvirõhu jälgimismooduliga | 9 | Network |
| U1721 | Multimeedia mängija liidese mooduliga side kadunud | 7 | Network |
| U1722 | Lost Communication with Auxiliary Heater Control Module | 7 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.