B3157
Right Front Lock Switch Circuit Low
B3157 is an OBD-II diagnostic trouble code meaning: Right Front Lock Switch Circuit Low. Common causes: door lock switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $22–89.
Symptoms
- Right front door lock malfunction
- Problems with central locking
- False alarms
- Indication of an open door when closed
Causes
- Door lock switch malfunction
- Open or short circuit in wiring harness
- Poor contact in connectors
- Problems with the door control unit
How to Fix
- Check the operation of the right front lock manually
- Visually inspect the wiring harness for damage.
- Check the contacts in the lock switch connectors
- Test resistance and voltage in the circuit
- Replace faulty switch or repair wiring harness
Related codes
Error B3157 by Vehicle Brand
FAQ
What does the B3157 code mean?
B3157 is an OBD-II diagnostic trouble code that indicates: Right Front Lock Switch Circuit Low
What causes a B3157 error code?
The most common causes of B3157 include: Door lock switch malfunction; Open or short circuit in wiring harness; Poor contact in connectors; Problems with the door control unit.
How do I fix a B3157 diagnostic trouble code?
To fix B3157: Check the operation of the right front lock manually. Visually inspect the wiring harness for damage.. Check the contacts in the lock switch connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3157?
Limited driving only, diagnose soon
How much does it cost to fix B3157?
The estimated repair cost for B3157 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat