Code result
B0126
Passenger Side Mirror Position Sensor
Moderate severity
What it means
The body control module has detected a fault in the passenger-side mirror position sensor. Same fault profile as B0125 but for the passenger mirror.
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
Position sensor failed
highOne of the most commonly reported causes for this code — check this first.
Water ingress into mirror assembly
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose B0126 freeNo credit card required