OBD-II code · Body
B0188 Rear Wiper Motor Circuit
The body control module has detected a fault in the rear wiper motor circuit. Possible faults include an open or shorted motor winding, a stuck mechanism, or wiring damage in the tailgate harness.
Is it safe to drive with B0188?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyRear wiper motor failed
- PossibleTailgate harness broken at hinge
- Less likelyRear wiper fuse blown
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
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Rear Wiper Motor, Body Control Module, Tailgate Harness
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.