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.