CHEVROLET fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
CHEVROLET shares fault-code data with GM. Data may not cover CHEVROLET-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| U0256 | Lost Communication With Front Controls Interface Module A | 26 | Network |
| U0257 | Lost Communication With Front Controls/Display Interface Module | 21 | Network |
| U0258 | Lost communication with battery cooling system | 18 | Network |
| U0259 | Lost communication with special purpose vehicle control module 'A' | 21 | Network |
| U025A | Lost communication with gear P | 21 | Network |
| U025B | Lost communication with special purpose vehicle control module 'C' | 18 | Network |
| U025C | Lost Communication With Special Purpose Vehicle Control Module D | 21 | Network |
| U025D | Lost communication with front controls interface module 'B' | 18 | Network |
| U0260 | Lost communication with seat control switch module 'A' | 18 | Network |
| U0261 | Lost communication with seat control switch module 'B' | 19 | Network |
| U0262 | Communication with gateway lost | 18 | Network |
| U0263 | Lost Communication With Speech Recognition Module | 21 | Network |
| U0264 | Lost Communication With Camera Module - Rear | 24 | Network |
| U0265 | Lost Communication With Image Processing Sensor A | 13 | Network |
| U0266 | Lost Communication With Image Processing Sensor B | 10 | Network |
| U0268 | Lost Communication With Image Processing Sensor D | 10 | Network |
| U0269 | Lost Communication With Image Processing Sensor E | 9 | Network |
| U026A | Lost Communication With Image Processing Sensor F | 9 | Network |
| U026B | Lost Communication With Image Processing Sensor G | 9 | Network |
| U026C | Lost Communication With Image Processing Sensor H | 9 | Network |
| U026D | Lost Communication With Image Processing Sensor I | 9 | Network |
| U0284 | Lost Communication With Active Grille Air Shutter Module A | 19 | Network |
| U0285 | Lost Communication With Active Grille Air Shutter Module B | 12 | Network |
| U0286 | Lost communication with radiator anti tamper device | 18 | Network |
| U0287 | Lost Communication With Transmission Fluid Pump Module A | 26 | Network |
| U0288 | Lost Communication With DC/AC Converter Control Module A | 23 | Network |
| U0289 | Lost communication with DC/AC converter control module 'B' | 18 | Network |
| U0291 | Lost Communication With Gear Shift Control Module B | 25 | Network |
| U0292 | Lost Communication With Drive Motor Control Module B | 24 | Network |
| U0293 | Lost Communication With Hybrid/EV Powertrain Control Module | 38 | Network |
| U0294 | Lost Communication With Powertrain Control Monitor Module | 23 | Network |
| U0295 | Lost Communication With AC/AC Converter Control Module | 21 | Network |
| U0296 | Lost Communication With AC/DC Converter Control Module A | 21 | Network |
| U0297 | Lost communication with AC/DC converter control module B | 19 | Network |
| U0298 | Lost Communication With DC/DC Converter Control Module A | 34 | Network |
| U0299 | Lost Communication With DC/DC Converter Control Module B | 25 | Network |
| U029A | Lost Communication With Hybrid/EV Battery Pack Sensor Module | 26 | Network |
| U029B | Lost communication with drive motor control module 'C' | 19 | Network |
| U029C | Lost communication with drive motor control module 'D' | 19 | Network |
| U029D | Lost Communication With NOx Sensor A | 29 | Network |
| U029E | Lost Communication With NOx Sensor B | 28 | Network |
| U02A1 | Lost Communication With NOx Sensor C | 12 | Network |
| U02A2 | Lost Communication With Reductant Quality Module | 13 | Network |
| U02A3 | Lost Communication With Particulate Matter Sensor | 19 | Network |
| U02A9 | Lost Communication With Charge Air Cooler Coolant Pump A | 10 | Network |
| U02AE | Lost Communications With Hybrid/EV Battery Coolant Pump | 10 | Network |
| U02BB | Error Sensor Power Supply 4 | 7 | Network |
| U02BD | Kaotatud side öönägemise juhtmooduliga | 8 | Network |
| U02C4 | Lost Communication With AVM | 8 | Network |
| U02CE | Lost Communication With ALC | 8 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.