OBD-II code · Body
B0125 Driver Side Mirror Position Sensor
The body control module has detected a fault in the driver-side mirror position sensor. Memory mirror positions cannot be saved or restored reliably.
Is it safe to drive with B0125?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPosition sensor or potentiometer failed
- PossibleWater ingress into mirror assembly
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Mirror Position Sensor, Mirror Motor Assembly
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.