B3137
All Door Lock Circuit Low
B3137 is an OBD-II diagnostic trouble code meaning: All Door Lock Circuit Low. Common causes: broken or damaged wires in the harness, short circuit in the circuit. Estimated repair cost: $33–167.
Symptoms
- Central door locking does not work
- Doors do not lock when button is pressed
- Intermittent operation of locks
- The fault indicator lights up
Causes
- Broken or damaged wires in the harness
- Short circuit in the circuit
- Door control module (BCM) malfunction
- Corrosion of contacts or connectors
- Circuit fuse problems
- Door lock malfunction
How to Fix
- Check the central locking circuit fuse
- Inspect the wiring harness for damage
- Check the condition of contacts and connectors
- Measure the voltage in the blocking circuit
- Check the operation of the control module (BCM)
- Replace faulty circuit elements
Related codes
Error B3137 by Vehicle Brand
FAQ
What does the B3137 code mean?
B3137 is an OBD-II diagnostic trouble code that indicates: All Door Lock Circuit Low
What causes a B3137 error code?
The most common causes of B3137 include: Broken or damaged wires in the harness; Short circuit in the circuit; Door control module (BCM) malfunction; Corrosion of contacts or connectors.
How do I fix a B3137 diagnostic trouble code?
To fix B3137: Check the central locking circuit fuse. Inspect the wiring harness for damage. Check the condition of contacts and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3137?
Do not drive — repair immediately
How much does it cost to fix B3137?
The estimated repair cost for B3137 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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