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 |
|---|---|---|---|
| U061F | Lost communication with exhaust gas temperature sensor bank 1 sensor 1 | 11 | Network |
| U0620 | Lost communication with exhaust gas temperature sensor bank 1 sensor 2 | 11 | Network |
| U0623 | Lost communication with coolant pump 'A' | 12 | Network |
| U0625 | Lost communication with fuel rail pressure sensor bank 1 | 9 | Network |
| U062C | Lost communication with A/C refrigerant distribution valve actuator 'C' | 9 | Network |
| U062D | Lost communication with A/C refrigerant distribution valve actuator 'D' | 9 | Network |
| U062E | Lost communication with A/C refrigerant expansion valve actuator | 10 | Network |
| U062F | Lost communication with coolant pump 'C' | 9 | Network |
| U0632 | Lost communication with fan 1 | 9 | Network |
| U0633 | Lost communication with fan 2 | 9 | Network |
| U063D | Lost communication with Hybrid/EV electronics coolant pump 'A' | 9 | Network |
| U063E | Lost communication with exhaust heat exchanger bypass valve actuator 'A' | 9 | Network |
| U063F | Lost communication with engine coolant flow control valve position sensor | 10 | Network |
| U0644 | Lost communication with wastegate position sensor 'A' | 11 | Network |
| U0645 | Lost communication with active air DAM module | 9 | Network |
| U0646 | Lost communication with motor electronics coolant pump 'A' | 11 | Network |
| U0649 | Lost communication with coolant pump 'D' | 9 | Network |
| U064F | Lost communication with intake manifold runner position sensor bank 1 | 9 | Network |
| U0650 | Lost communication with exhaust pressure control valve 'A' sensor/switch | 9 | Network |
| U0651 | Lost communication with EGR sensor 'A' | 11 | Network |
| U0653 | Lost communication with EGR sensor 'C' | 9 | Network |
| U0654 | Lost communication with diesel intake air flow 'A' position sensor | 9 | Network |
| U0656 | Lost communication with turbocharger/supercharger boost control 'A' position sensor | 10 | Network |
| U0657 | Lost communication with turbocharger/supercharger bypass valve 'A' position sensor | 10 | Network |
| U065C | Lost communication with right front mode actuator | 9 | Network |
| U0660 | Lost communication with left rear temperature actuator 'B' | 9 | Network |
| U0665 | Lost communication with fuel rail pressure sensor bank 2 | 9 | Network |
| U0669 | Lost communication with EGR sensor 'D' | 9 | Network |
| U0670 | Lost communication with fuel temperature sensor 'A' | 9 | Network |
| U0671 | Lost communication with fuel temperature sensor 'B' | 9 | Network |
| U0672 | Lost communication with engine coolant pump | 9 | Network |
| U0674 | Lost communication with wastegate position sensor 'B' | 11 | Network |
| U0680 | EMS Denso, Electronic Diesel Control, Common Rail | 8 | Network |
| U0688 | Kaotatud side gaasipedaali asendi anduri/lüliti 'G'ga | 8 | Network |
| U068A | Kaotatud side baromeetrilise rõhu anduri 'C'ga | 8 | Network |
| U068D | Kaotatud side EGR temperatuurianduri 'A'ga | 8 | Network |
| U068E | Kaotatud side EGR temperatuurianduri 'B'ga | 8 | Network |
| U0693 | Suhtlus niiskussensoriga kadunud | 8 | Network |
| U0696 | Hybrid Battery. Voltage Value. - Value Variation | 8 | Network |
| U0697 | Kaotatud side osakestefiltri rõhuanduriga 'D' | 8 | Network |
| U0698 | Engine Coolant Temperature Sensor. (Main Radiator.) | 8 | Network |
| U069A | Injection Pump Fuel Metering Control 'A' Low (Cam/Rotor/Injector) | 8 | Network |
| U069B | Kommunikationsverlust mit Abgastemperatursensor Bank 1 Sensor 4 | 9 | Network |
| U069C | Kommunikationsverlust mit Abgastemperatursensor Bank 2 Sensor 3 | 8 | Network |
| U06A0 | No description available | 6 | Network |
| U06A1 | No description available | 6 | Network |
| U06A4 | No description available | 6 | Network |
| U06A5 | No description available | 6 | Network |
| U06AC | No description available | 6 | Network |
| U06AD | 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.