B2150
Outside Rearview Mirror Position Sensor Input Voltage Low
B2150 is an OBD-II diagnostic trouble code meaning: Outside Rearview Mirror Position Sensor Input Voltage Low. Common causes: damage to the wiring harness to the sensor, oxidation or poor contact in connectors. Estimated repair cost: $22–89.
Symptoms
- Incorrect operation of the mirror position memory
- Mirror does not move during automatic adjustment
- Flashing malfunction indicator on the instrument panel
Causes
- Damage to the wiring harness to the sensor
- Oxidation or poor contact in connectors
- Mirror position sensor malfunction
- Malfunction of the mirror control module
- Short circuit in the circuit
How to Fix
- Check the integrity of the wiring harness to the sensor
- Inspect and clean the contacts in the connectors
- Check the voltage at the position sensor
- Replace the mirror position sensor if necessary
- Check and, if necessary, replace the mirror control module
Related codes
FAQ
What does the B2150 code mean?
B2150 is an OBD-II diagnostic trouble code that indicates: Outside Rearview Mirror Position Sensor Input Voltage Low
What causes a B2150 error code?
The most common causes of B2150 include: Damage to the wiring harness to the sensor; Oxidation or poor contact in connectors; Mirror position sensor malfunction; Malfunction of the mirror control module.
How do I fix a B2150 diagnostic trouble code?
To fix B2150: Check the integrity of the wiring harness to the sensor. Inspect and clean the contacts in the connectors. Check the voltage at the position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2150?
Do not drive — repair immediately
How much does it cost to fix B2150?
The estimated repair cost for B2150 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat