Error code

OBD2 U0036

OBD2U0036
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Vehicle Communication Bus A (shorted to Bus A).

Severity

severeDriving may be unsafe due to potential electrical issues. It is recommended not to drive the vehicle until the issue is resolved.

Summary

U0036 indicates that there is an issue with Vehicle Communication Bus A, specifically that the negative side of the bus is shorted to the positive side.

Common Causes

  • Short circuit between data bus A (-) and (+)
  • Faulty wiring or connector in VAN data bus A

Fixes

FAQ

What should I do if my car has U0036?

You should have a professional mechanic diagnose and repair the issue with the VAN data bus A. This typically involves checking for short circuits or faulty wiring.

Is it safe to drive with U0036?

It is not recommended to drive the vehicle as electrical issues can become more severe over time and may cause additional damage or safety risks.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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