OBD Guide

B320A

Front Door Window Motor

B320A is an OBD-II diagnostic trouble code meaning: Front Door Window Motor. Common causes: window motor malfunction, problems in the wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Window regulator doesn't work
  • Intermittent operation of the window regulator
  • The window regulator only works in one direction

Causes

  • Window motor malfunction
  • Problems in the wiring harness
  • Control unit malfunction
  • Short circuit or open circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check power and control to window lift motor
  3. Replace window motor if necessary
  4. Check and replace the control unit if necessary

Related codes

Error B320A by Vehicle Brand

FAQ

What does the B320A code mean?

B320A is an OBD-II diagnostic trouble code that indicates: Front Door Window Motor

What causes a B320A error code?

The most common causes of B320A include: Window motor malfunction; Problems in the wiring harness; Control unit malfunction; Short circuit or open circuit.

How do I fix a B320A diagnostic trouble code?

To fix B320A: Check the integrity of the wiring harness. Check power and control to window lift motor. Replace window motor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B320A?

Yes, but get it checked soon

How much does it cost to fix B320A?

The estimated repair cost for B320A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat