Error code
OBD2 U0013
OBD2U0013
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Medium Speed CAN Communication Bus (Low).
Severity
highDriving may be possible but could lead to further issues and reduced vehicle functionality.
Summary
U0013 indicates an issue with the medium speed CAN data bus (+) voltage being too low, which affects communication between various vehicle modules.
Common Causes
- CAN bus (+) voltage is too low
- Faulty wiring or connectors in the CAN network
Fixes
FAQ
What does U0013 mean?
U0013 indicates a problem with the medium speed CAN data bus (+) voltage being too low, affecting communication between vehicle modules.
How do I fix U0013?
Fixing U0013 typically involves diagnosing and repairing issues related to the CAN network's wiring or connectors. Specific steps may vary depending on the exact cause of the low voltage issue.
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)