OBD-II code · Body
B0531 Passenger Door Lock Actuator Circuit
A fault has been detected in the passenger door lock actuator circuit.
Is it safe to drive with B0531?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyLock actuator failed
- PossibleWire break in door harness
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Passenger Door Lock Actuator, Body Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.