OBD Guide

B396A

Liftgate Motor Power Open/Close Malfunction

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

Symptoms

  • The rear door does not open/close automatically
  • Intermittent drive operation
  • Clicking or other unusual sounds when trying to open/close

Causes

  • Open or short circuit in wiring harness
  • Motor fault
  • Relay or fuse problems
  • Mechanical door jamming
  • Control unit malfunction

How to Fix

  1. Check fuses and relays associated with the drive
  2. Inspect the wiring harness for damage
  3. Check the operation of the electric motor
  4. Make sure there are no mechanical obstacles
  5. If necessary, replace faulty components

Related codes

Error B396A by Vehicle Brand