Error code
OBD2 U0071
OBD2U0071
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Vehicle Communication Bus E (High).
Severity
moderateCan drive but may experience intermittent issues with vehicle systems.
Summary
U0071 indicates that there is an issue with the high voltage on Vehicle Area Network (VAN) data bus E, which affects communication between vehicle systems.
Common Causes
- High voltage in VAN data bus E
- Faulty wiring or connectors related to VAN data bus E
Fixes
FAQ
What does U0071 mean?
U0071 indicates a high voltage issue on the VAN data bus E, which can disrupt communication between vehicle systems.
How do I fix U0071?
Fixing U0071 typically involves diagnosing and addressing issues with wiring or connectors related to the VAN data bus E. Professional diagnosis is recommended.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus (Performance)
- U0003High Speed CAN Communication Bus (Open)
- U0004High Speed CAN Communication Bus (Low)
- U0005High Speed CAN Communication Bus (High)
- U0006High Speed CAN Communication Bus (Open)
- U0007High Speed CAN Communication Bus (Low)
- U0008High Speed CAN Communication Bus (High)
- U0009High Speed CAN Communication Bus (shorted to Bus)
- U0010Medium Speed CAN Communication Bus
- U0011Medium Speed CAN Communication Bus (Performance)
- U0012Medium Speed CAN Communication Bus (Open)