U020B

Lost Communication With Door Control Module H

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Power windows don't work
Problems with central locking
Error indication on the dashboard
The door does not respond to commands from the key fob
Intermittent operation of door functions

Causes

Open or short circuit in the door module circuit
Door control module malfunction
Wiring Harness Problems
Contact corrosion
Software failure in the module

How to Fix

Check fuses associated with the door module
Inspect the wiring harness for damage
Check module connections and contacts
Scan the module for errors
If necessary, replace the door control module

Related codes

U020A U020C U020D