B3145
Passenger Door Unlock Switch Circuit
B3145 is an OBD-II diagnostic trouble code meaning: Passenger Door Unlock Switch Circuit. Common causes: open or short circuit in the button circuit, door unlock button malfunction. Estimated repair cost: $22–111.
Symptoms
- Passenger door unlock button does not work
- The door will not unlock from the central locking
- Central locking indicator flashing
Causes
- Open or short circuit in the button circuit
- Door unlock button malfunction
- Wiring harness damage
- Body Control Module (BCM) Problems
How to Fix
- Check the integrity of the unlock button circuit
- Test the button for sticking or damage
- Inspect the wiring harness for damage
- Check contacts and connectors for oxidation
- If necessary, replace the button or wiring harness
- Reset the error and check the system operation
Related codes
Error B3145 by Vehicle Brand
FAQ
What does the B3145 code mean?
B3145 is an OBD-II diagnostic trouble code that indicates: Passenger Door Unlock Switch Circuit
What causes a B3145 error code?
The most common causes of B3145 include: Open or short circuit in the button circuit; Door unlock button malfunction; Wiring harness damage; Body Control Module (BCM) Problems.
How do I fix a B3145 diagnostic trouble code?
To fix B3145: Check the integrity of the unlock button circuit. Test the button for sticking or damage. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3145?
Limited driving only, diagnose soon
How much does it cost to fix B3145?
The estimated repair cost for B3145 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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