B3135

All Doors Lock Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Central locks don't work
Doors do not lock/unlock
Hazard warning light flashes when attempting to lock

Causes

Open or short circuit in wiring harness
Malfunction of door lock solenoids
Body Control Module (BCM) Problems
Contact corrosion
Mechanical damage to system elements

How to Fix

Check the wiring harness for opens and shorts
Check the operation of the door lock solenoids
Diagnose Body Control Module (BCM)
Clean contacts from corrosion
Replace damaged system elements

Related codes

B3136 B3137 B3138