OBD Guide

B2326

Mirror Driver Vertical Feedback Potentiometer Circuit Short To Battery

B2326 is an OBD-II diagnostic trouble code meaning: Mirror Driver Vertical Feedback Potentiometer Circuit Short To Battery. Common causes: shorting the potentiometer wire to +12v, open feedback circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Incorrect operation of the electric mirror drive
  • The mirror is not vertically adjustable
  • Spontaneous movement of the mirror

Causes

  • Shorting the potentiometer wire to +12V
  • Open feedback circuit
  • Potentiometer fault
  • Wiring harness damage
  • Problems with the mirror control module

How to Fix

  1. Check the integrity of the mirror wiring harness
  2. Measure the resistance of the potentiometer
  3. Check the voltage in the feedback circuit
  4. Scan the mirror control module for errors
  5. If necessary, replace the position sensor or the entire mirror drive

Related codes

FAQ

What does the B2326 code mean?

B2326 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Vertical Feedback Potentiometer Circuit Short To Battery

What causes a B2326 error code?

The most common causes of B2326 include: Shorting the potentiometer wire to +12V; Open feedback circuit; Potentiometer fault; Wiring harness damage.

How do I fix a B2326 diagnostic trouble code?

To fix B2326: Check the integrity of the mirror wiring harness. Measure the resistance of the potentiometer. Check the voltage in the feedback circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2326?

Limited driving only, diagnose soon

How much does it cost to fix B2326?

The estimated repair cost for B2326 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat