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.
The body control module has detected a fault in the driver-side mirror position sensor. Memory mirror positions cannot be saved or restored reliably.
Common causes
- high
Position sensor or potentiometer failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-440
- medium
Water ingress into mirror assembly
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-440
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does B0125 mean?
B0125 means "Driver Side Mirror Position Sensor". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0125?
position sensor or potentiometer failed; water ingress into mirror assembly — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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