Error code
OBD2 U0053
OBD2U0053
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Vehicle Communication Bus C (High).
Severity
highDriving may be possible but could lead to further damage and reduced vehicle functionality.
Summary
U0053 indicates that there is an issue with the high voltage on Vehicle Area Network (VAN) data bus C, which can affect communication between vehicle modules.
Common Causes
- High voltage condition on VAN data bus C
- Faulty connectors or wiring related to VAN data bus C
Fixes
FAQ
What should I do if my car has the U0053 code?
Consult a professional mechanic to diagnose and repair the high voltage issue on VAN data bus C.
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)