OBD2 trouble code reference
8,155 codes across 1 prefix groups on this page.
U0xxx
- U0014 Medium Speed CAN Communication Bus (+) High network
- U0015 Medium Speed CAN Communication Bus (-) Open network
- U0016 Medium Speed CAN Communication Bus (-) Low network
- U0017 Medium Speed CAN Communication Bus (-) High network
- U0018 Medium Speed CAN Communication Bus (-) shorted to Bus (+) network
- U0019 Low Speed CAN Communication Bus network
- U001A High Speed CAN Communication Bus network
- U001B refers to a communication issue within the vehicle's network, specifically indicating a problem with the data bus related to the vehicle's control modules network
- U001C refers to a communication issue within the vehicle's network, specifically indicating a problem with the "High Speed CAN Communication Bus network
- U001D refers to a communication issue related to the vehicle's network, specifically indicating a problem with the "High Speed CAN Communication Bus network
- U001E refers to a communication issue within the vehicle's network, specifically indicating a problem with the "High Speed CAN Communication Bus network
- U001F ISO/SAE Reserved network
- U0020 Low Speed CAN Communication Bus Performance network
- U0021 Low Speed CAN Communication Bus (+) Open network
- U0022 Low Speed CAN Communication Bus (+) Low network
- U0023 Low Speed CAN Communication Bus (+) High network
- U0024 Low Speed CAN Communication Bus (-) Open network
- U0025 Low Speed CAN Communication Bus (-) Low network
- U0026 Low Speed CAN Communication Bus (-) High network
- U0027 Low Speed CAN Communication Bus (-) shorted to Bus (+) network
- U0028 Vehicle Communication Bus A network
- U0029 Vehicle Communication Bus A Performance network
- U002A High Speed CAN Communication Bus A - Signal Invalid network
- U002B High Speed CAN Communication Bus Off network
- U002C High Speed CAN Communication Bus Off network
- U002D High Speed CAN Communication Bus Off network
- U002E High Speed CAN Communication Bus Off network
- U002F ISO/SAE Reserved network
- U0030 Vehicle Communication Bus A (+) Open network
- U0031 Vehicle Communication Bus A (+) Low network
- U0032 Vehicle Communication Bus A (+) High network
- U0033 Vehicle Communication Bus A (-) Open network
- U0034 Vehicle Communication Bus A (-) Low network
- U0035 Vehicle Communication Bus A (-) High network
- U0036 Vehicle Communication Bus A (-) shorted to Bus A (+) network
- U0037 Vehicle Communication Bus B network
- U0038 Vehicle Communication Bus B Performance network
- U0039 Vehicle Communication Bus B (+) Open network
- U003A Control Module Communication Bus 'A' Off network
- U003B Control Module Communication Bus 'B' Off network
- U003C Control Module Communication Bus 'A' Off network
- U003D refers to a communication issue within the vehicle's network, specifically indicating a problem with the "High Speed CAN Communication Bus network
- U003E High Speed CAN Communication Bus A Off network
- U003F ISO/SAE Reserved network
- U0040 Vehicle Communication Bus B (+) Low network
- U0041 Vehicle Communication Bus B (+) High network
- U0042 Vehicle Communication Bus B (-) Open network
- U0043 Vehicle Communication Bus B (-) Low network
- U0044 Vehicle Communication Bus B (-) High network
- U0045 Vehicle Communication Bus B (-) shorted to Bus B (+) network