B2147
Outside Rearview Mirror Position Sensor Input Voltage High
B2147 is an OBD-II diagnostic trouble code meaning: Outside Rearview Mirror Position Sensor Input Voltage High. Common causes: mirror position sensor malfunction, damage to the mirror wiring harness. Estimated repair cost: $22–167.
Symptoms
- Incorrect operation of the rear view mirror
- Mirror does not save settings
- The mirror does not respond to adjustment commands
- Error indication on the instrument panel (if provided)
Causes
- Mirror position sensor malfunction
- Damage to the mirror wiring harness
- Short circuit in the sensor circuit
- Contact corrosion
- Malfunction of the mirror control unit
How to Fix
- Check the integrity of the mirror wiring harness
- Check sensor contacts for corrosion or damage.
- Measure the voltage in the sensor circuit
- If necessary, replace the mirror position sensor
- Reflash or replace the mirror control unit (if other measures do not help)
Related codes
FAQ
What does the B2147 code mean?
B2147 is an OBD-II diagnostic trouble code that indicates: Outside Rearview Mirror Position Sensor Input Voltage High
What causes a B2147 error code?
The most common causes of B2147 include: Mirror position sensor malfunction; Damage to the mirror wiring harness; Short circuit in the sensor circuit; Contact corrosion.
How do I fix a B2147 diagnostic trouble code?
To fix B2147: Check the integrity of the mirror wiring harness. Check sensor contacts for corrosion or damage.. Measure the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2147?
Do not drive — repair immediately
How much does it cost to fix B2147?
The estimated repair cost for B2147 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat