OBD Guide

B2149

Outside Rearview Mirror Position Sensor Input Voltage High

B2149 is an OBD-II diagnostic trouble code meaning: Outside Rearview Mirror Position Sensor Input Voltage High. Common causes: faulty mirror position sensor, wiring harness damage. Estimated repair cost: $56–167.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of automatic mirror adjustment
  • The mirror does not remember position settings
  • Error in the mirror memory system

Causes

  • Faulty mirror position sensor
  • Wiring harness damage
  • Short circuit in the circuit
  • Problems with the mirror control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check sensor connections
  3. Measure sensor resistance
  4. Replace the sensor if necessary
  5. Test the mirror control unit

Related codes

FAQ

What does the B2149 code mean?

B2149 is an OBD-II diagnostic trouble code that indicates: Outside Rearview Mirror Position Sensor Input Voltage High

What causes a B2149 error code?

The most common causes of B2149 include: Faulty mirror position sensor; Wiring harness damage; Short circuit in the circuit; Problems with the mirror control unit.

How do I fix a B2149 diagnostic trouble code?

To fix B2149: Check the integrity of the wiring harness. Check sensor connections. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2149?

Limited driving only, diagnose soon

How much does it cost to fix B2149?

The estimated repair cost for B2149 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat