OBD-II code · Body

B0270 Passenger Door Lock Switch Circuit

Passenger Door Lock Switch Circuit: an electrical fault is present in the circuit. This affects central locking operated from this switch.

Is it safe to drive with B0270?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyLock switch failed
  • PossibleDoor harness broken in hinge area

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
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Door Lock Switch, Body Control Module, Door Harness

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.