Error code
OBD2 U0047
OBD2U0047
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Vehicle Communication Bus C (Performance).
Severity
highDriving may be possible but could lead to further damage or safety risks.
Summary
U0047 indicates a performance issue with the Vehicle Area Network (VAN) data bus C, which is responsible for communication between vehicle modules.
Common Causes
- Faulty VAN data bus C
- Communication issues between vehicle modules
Fixes
FAQ
What does U0047 mean?
U0047 indicates a performance issue with the VAN data bus C, which is critical for communication between vehicle modules.
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)