Error code
OBD2 U0011
OBD2U0011
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Medium Speed CAN Communication Bus (Performance).
Severity
moderateCan drive but may experience intermittent issues.
Summary
U0011 indicates a performance issue with the medium-speed CAN data bus, which is used to communicate between various control modules in the vehicle.
Common Causes
- CAN network malfunction
- Faulty connectors or wiring
Fixes
FAQ
What does U0011 mean?
U0011 indicates a performance issue with the medium-speed CAN data bus, which is used to communicate between various control modules in the vehicle.
How serious is this code?
The severity level of U0011 is moderate. You can continue driving but may experience intermittent issues.
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
- U0012Medium Speed CAN Communication Bus (Open)
- U0013Medium Speed CAN Communication Bus (Low)