B1D13
Interior Lights Circuit 'A'
B1D13 is an OBD-II diagnostic trouble code meaning: Interior Lights Circuit 'A'. Common causes: burnt out light bulb, open or short circuit in wiring harness. Estimated repair cost: $6–56.
Symptoms
- Interior lamps do not work
- No dashboard backlight
- Interior light flashing
- Error indication on the dashboard
Causes
- Burnt out light bulb
- Open or short circuit in wiring harness
- Malfunction of the lighting control unit
- Problems with contacts or relays
How to Fix
- Check the integrity of the interior lighting bulbs
- Inspect the wiring harness for damage
- Check contacts and relays
- Diagnose the lighting control unit using a scanner
- If necessary, replace faulty components
Related codes
FAQ
What does the B1D13 code mean?
B1D13 is an OBD-II diagnostic trouble code that indicates: Interior Lights Circuit 'A'
What causes a B1D13 error code?
The most common causes of B1D13 include: Burnt out light bulb; Open or short circuit in wiring harness; Malfunction of the lighting control unit; Problems with contacts or relays.
How do I fix a B1D13 diagnostic trouble code?
To fix B1D13: Check the integrity of the interior lighting bulbs. Inspect the wiring harness for damage. Check contacts and relays. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1D13?
Do not drive — repair immediately
How much does it cost to fix B1D13?
The estimated repair cost for B1D13 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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