OBD Guide
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B2320

Mirror Driver Horizontal Feedback Potentiometer Circuit Failure

B2320 is an OBD-II diagnostic trouble code meaning: Mirror Driver Horizontal Feedback Potentiometer Circuit Failure. Common causes: open or short circuit in wiring harness, oxidation of contacts. Estimated repair cost: $33–89.

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

Symptoms

  • Horizontal mirror adjustment does not work
  • The mirror does not move in one direction
  • There may be false alarms of the system

Causes

  • Open or short circuit in wiring harness
  • Oxidation of contacts
  • Potentiometer fault
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean contacts from oxidation
  3. Replace potentiometer if necessary
  4. Check the operation of the control unit

FAQ

What does the B2320 code mean?

B2320 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Horizontal Feedback Potentiometer Circuit Failure

What causes a B2320 error code?

The most common causes of B2320 include: Open or short circuit in wiring harness; Oxidation of contacts; Potentiometer fault; Problems with the control unit.

How do I fix a B2320 diagnostic trouble code?

To fix B2320: Check the integrity of the wiring harness. Clean contacts from oxidation. Replace potentiometer if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2320?

Limited driving only, diagnose soon

How much does it cost to fix B2320?

The estimated repair cost for B2320 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat