OBD2 trouble code reference
8,155 codes across 1 prefix groups on this page.
U0xxx
- U0046 Vehicle Communication Bus C network
- U0047 Vehicle Communication Bus C Performance network
- U0048 Vehicle Communication Bus C (+) Open network
- U0049 Vehicle Communication Bus C (+) Low network
- U004A Lost Communication with Body Control Module 'A' network
- U004B Lost Communication with Vehicle Control Module network
- U004C Lost Communication with Vehicle Control Module network
- U004D Lost Communication with Battery Energy Control Module 'A' network
- U004E Lost Communication with Battery Energy Control Module 'A' network
- U004F ISO/SAE Reserved network
- U0050 Vehicle Communication Bus C (+) High network
- U0051 Vehicle Communication Bus C (-) Open network
- U0052 Vehicle Communication Bus C (-) Low network
- U0053 Vehicle Communication Bus C (-) High network
- U0054 Vehicle Communication Bus C (-) shorted to Bus C (+) network
- U0055 Vehicle Communication Bus D network
- U0056 Vehicle Communication Bus D Performance network
- U0057 Vehicle Communication Bus D (+) Open network
- U0058 Vehicle Communication Bus D (+) Low network
- U0059 Vehicle Communication Bus D (+) High network
- U005A Lost Communication with Vehicle Control Module network
- U005B Lost Communication with Vehicle Control Module network
- U005C Lost Communication with Vehicle Control Module network
- U005D Lost Communication with Vehicle Control Module network
- U005E Lost Communication with Vehicle Control Module network
- U005F ISO/SAE Reserved network
- U0060 Vehicle Communication Bus D (-) Open network
- U0061 Vehicle Communication Bus D (-) Low network
- U0062 Vehicle Communication Bus D (-) High network
- U0063 Vehicle Communication Bus D (-) shorted to Bus D (+) network
- U0064 Vehicle Communication Bus E network
- U0065 Vehicle Communication Bus E Performance network
- U0066 Vehicle Communication Bus E (+) Open network
- U0067 Vehicle Communication Bus E (+) Low network
- U0068 Vehicle Communication Bus E (+) High network
- U0069 Vehicle Communication Bus E (-) Open network
- U006A Control Module Communication Bus 'A' Off network
- U006B Control Module Communication Bus 'A' Off network
- U006C Control Module Communication Bus 'A' Off network
- U006D Control Module Communication Bus 'A' Off network
- U006E Control Module Communication Bus 'A' Off network
- U006F ISO/SAE Reserved network
- U0070 Vehicle Communication Bus E (-) Low network
- U0071 Vehicle Communication Bus E (-) High network
- U0072 Vehicle Communication Bus E (-) shorted to Bus E (+) network
- U0073 Control Module Communication Bus A Off network
- U0074 Control Module Communication Bus B Off network
- U0075 through network
- U00FF ISO/SAE Reserved network
- U0100 Lost Communication With ECM/PCM network