B3951
Right Rear Turn Signal Circuit
B3951 is an OBD-II diagnostic trouble code meaning: Right Rear Turn Signal Circuit. Common causes: burnt out turn signal lamp, open or short circuit in wiring harness. Estimated repair cost: $6–33.
Symptoms
- The right rear turn signal does not work
- Turn indicators flashing at an increased frequency
- Error message on the dashboard
Causes
- Burnt out turn signal lamp
- Open or short circuit in wiring harness
- Oxidation of contacts in connectors
- Turn signal relay malfunction
- Problems with the control unit
How to Fix
- Check and, if necessary, replace the turn signal lamp
- Check the integrity and connections of the wiring harness
- Clean the contacts in the connectors
- Check the operation of the turn signal relay
- If necessary, diagnose the control unit
Related codes
Error B3951 by Vehicle Brand
FAQ
What does the B3951 code mean?
B3951 is an OBD-II diagnostic trouble code that indicates: Right Rear Turn Signal Circuit
What causes a B3951 error code?
The most common causes of B3951 include: Burnt out turn signal lamp; Open or short circuit in wiring harness; Oxidation of contacts in connectors; Turn signal relay malfunction.
How do I fix a B3951 diagnostic trouble code?
To fix B3951: Check and, if necessary, replace the turn signal lamp. Check the integrity and connections of the wiring harness. Clean the contacts in the connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3951?
Limited driving only, diagnose soon
How much does it cost to fix B3951?
The estimated repair cost for B3951 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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