OBD Guide

B324A

Rear Cargo Door Unlock Motor Circuit

B324A is an OBD-II diagnostic trouble code meaning: Rear Cargo Door Unlock Motor Circuit. Common causes: open or short circuit in control circuit, unlock motor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Rear cargo door won't open with button
  • Rear cargo door does not respond to key fob commands
  • Indicators flash when trying to open the door

Causes

  • Open or short circuit in control circuit
  • Unlock motor malfunction
  • Problems with the relay or control unit
  • Oxidation of contacts or poor connection

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the unlocking motor
  3. Check relay and control unit
  4. Clean contacts and check connections

Related codes

Error B324A by Vehicle Brand

FAQ

What does the B324A code mean?

B324A is an OBD-II diagnostic trouble code that indicates: Rear Cargo Door Unlock Motor Circuit

What causes a B324A error code?

The most common causes of B324A include: Open or short circuit in control circuit; Unlock motor malfunction; Problems with the relay or control unit; Oxidation of contacts or poor connection.

How do I fix a B324A diagnostic trouble code?

To fix B324A: Check the integrity of the wiring harness. Check the operation of the unlocking motor. Check relay and control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B324A?

Limited driving only, diagnose soon

How much does it cost to fix B324A?

The estimated repair cost for B324A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat