Code result
B0188
Rear Wiper Motor Circuit
Moderate severity
What it means
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?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Rear wiper motor failed
highOne of the most commonly reported causes for this code — check this first.
Tailgate harness broken at hinge
mediumA plausible cause — test and verify before replacing parts.
Rear wiper fuse blown
lowLess common, but worth ruling out after the more likely causes.
Related help
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