OBD Guide

B2145

Outside Rearview Mirror Position Sensor Input Voltage High

B2145 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: $56–167.

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

Symptoms

  • Inability to remember the position of the mirror
  • Spontaneous change in mirror position
  • No response to mirror adjustment buttons

Causes

  • Mirror position sensor malfunction
  • Short circuit in wiring harness
  • Problems with the mirror control unit
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the voltage at the mirror position sensor
  3. Replace the mirror position sensor if necessary
  4. Check and clean contacts

Related codes

FAQ

What does the B2145 code mean?

B2145 is an OBD-II diagnostic trouble code that indicates: Outside Rearview Mirror Position Sensor Input Voltage High

What causes a B2145 error code?

The most common causes of B2145 include: Mirror position sensor malfunction; Short circuit in wiring harness; Problems with the mirror control unit; Oxidation of contacts.

How do I fix a B2145 diagnostic trouble code?

To fix B2145: Check the integrity of the wiring harness. Check the voltage at the mirror position sensor. Replace the mirror position sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2145?

Limited driving only, diagnose soon

How much does it cost to fix B2145?

The estimated repair cost for B2145 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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