Error code
OBD2 U0068
OBD2U0068
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
U0068 indicates that the voltage on the Vehicle Area Network (VAN) data bus E is too high, which can affect communication between vehicle modules.
Common Causes
- High voltage on VAN data bus E
- Faulty wiring or connectors in VAN data bus E
Fixes
FAQ
What should I do if my car has the U0068 code?
Consult a professional mechanic to diagnose and repair any issues with the VAN data bus E voltage.
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)