B0507
Open Or Short To Ground In The LH DRL Relay Control Circuit
B0507 is an OBD-II diagnostic trouble code meaning: Open Or Short To Ground In The LH DRL Relay Control Circuit. Common causes: broken wires in the control circuit, short circuit to ground. Estimated repair cost: $22–56.
Symptoms
- Left DRL won't turn on
- Left DRL flashing
- Dashboard warning
Causes
- Broken wires in the control circuit
- Short circuit to ground
- DRL relay malfunction
- Wiring harness damage
- Oxidation of contacts
How to Fix
- Check the integrity of the wiring harness
- Check DRL relay contacts
- Replace DRL relay if necessary
- Check the control circuit for open and short circuit
- Clean or replace damaged contacts
Related codes
Error B0507 by Vehicle Brand
FAQ
What does the B0507 code mean?
B0507 is an OBD-II diagnostic trouble code that indicates: Open Or Short To Ground In The LH DRL Relay Control Circuit
What causes a B0507 error code?
The most common causes of B0507 include: Broken wires in the control circuit; Short circuit to ground; DRL relay malfunction; Wiring harness damage.
How do I fix a B0507 diagnostic trouble code?
To fix B0507: Check the integrity of the wiring harness. Check DRL relay contacts. Replace DRL relay if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0507?
Limited driving only, diagnose soon
How much does it cost to fix B0507?
The estimated repair cost for B0507 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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