B3150
Driver Door Lock Switch Circuit
B3150 is an OBD-II diagnostic trouble code meaning: Driver Door Lock Switch Circuit. Common causes: broken or damaged wiring harness, short circuit in the circuit. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the central locking
- The lock/unlock buttons on the driver's door do not work
- Hazard warning light flashes when attempting to lock/unlock
- Error message on the dashboard
Causes
- Broken or damaged wiring harness
- Short circuit in the circuit
- Driver's door lock switch malfunction
- Body Control Module (BCM) Problems
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the wiring harness and contacts
- Check the resistance and voltage in the switch circuit
- Replace faulty door lock switch
- Check and replace damaged wires
- Reflash or replace BCM if necessary
Related codes
Error B3150 by Vehicle Brand
FAQ
What does the B3150 code mean?
B3150 is an OBD-II diagnostic trouble code that indicates: Driver Door Lock Switch Circuit
What causes a B3150 error code?
The most common causes of B3150 include: Broken or damaged wiring harness; Short circuit in the circuit; Driver's door lock switch malfunction; Body Control Module (BCM) Problems.
How do I fix a B3150 diagnostic trouble code?
To fix B3150: Check the integrity of the wiring harness and contacts. Check the resistance and voltage in the switch circuit. Replace faulty door lock switch. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3150?
Limited driving only, diagnose soon
How much does it cost to fix B3150?
The estimated repair cost for B3150 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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