B2151
Outside Rearview Mirror Position Sensor Input Voltage High
B2151 is an OBD-II diagnostic trouble code meaning: Outside Rearview Mirror Position Sensor Input Voltage High. Common causes: mirror position sensor malfunction, short circuit in wiring harness. Estimated repair cost: $2–56.
Symptoms
- Incorrect operation of automatic mirror adjustment
- The mirror does not fold/unfold
- Error message on the instrument panel
Causes
- Mirror position sensor malfunction
- Short circuit in wiring harness
- Damaged or corroded connectors
- Malfunction of the mirror control unit
How to Fix
- Check the mirror position sensor for damage
- Check wiring harness and connectors for corrosion or shorts.
- Replace sensor if necessary
- Check the mirror control unit
FAQ
What does the B2151 code mean?
B2151 is an OBD-II diagnostic trouble code that indicates: Outside Rearview Mirror Position Sensor Input Voltage High
What causes a B2151 error code?
The most common causes of B2151 include: Mirror position sensor malfunction; Short circuit in wiring harness; Damaged or corroded connectors; Malfunction of the mirror control unit.
How do I fix a B2151 diagnostic trouble code?
To fix B2151: Check the mirror position sensor for damage. Check wiring harness and connectors for corrosion or shorts.. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2151?
Yes, but get it checked soon
How much does it cost to fix B2151?
The estimated repair cost for B2151 is $2–56. Actual cost depends on your vehicle, location, and labor rates.
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