B1D12
Passenger Mirror Position Sensor Power Supply Circuit Low
B1D12 is an OBD-II diagnostic trouble code meaning: Passenger Mirror Position Sensor Power Supply Circuit Low. Common causes: open or short circuit in wiring harness, mirror position sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Passenger mirror cannot be adjusted
- Mirror does not move when trying to adjust
- Error indication on the dashboard
Causes
- Open or short circuit in wiring harness
- Mirror position sensor malfunction
- Power problems (blown fuse, poor contact)
- Malfunction of the mirror control unit
How to Fix
- Check the fuse connected to the mirror circuit
- Inspect the wiring harness for damage
- Check the voltage at the mirror position sensor
- Replace the mirror position sensor if necessary
- Check the operation of the mirror control unit
Related codes
FAQ
What does the B1D12 code mean?
B1D12 is an OBD-II diagnostic trouble code that indicates: Passenger Mirror Position Sensor Power Supply Circuit Low
What causes a B1D12 error code?
The most common causes of B1D12 include: Open or short circuit in wiring harness; Mirror position sensor malfunction; Power problems (blown fuse, poor contact); Malfunction of the mirror control unit.
How do I fix a B1D12 diagnostic trouble code?
To fix B1D12: Check the fuse connected to the mirror circuit. Inspect the wiring harness for damage. Check the voltage at the mirror position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1D12?
Limited driving only, diagnose soon
How much does it cost to fix B1D12?
The estimated repair cost for B1D12 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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