U0504

Invalid Data Received From Door Control Module E

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Power windows on door E do not work
Problems with central locking
Check engine light is on
Errors in other comfort systems

Causes

Door control module E fault
Damage to the wiring harness to the module
Poor contact in connectors
Module software error
Module power problems

How to Fix

Check the integrity of the wiring harness to the module
Check contacts in module connectors
Scan the module for errors
Check the power supply and ground of the module
Replace door control module E if necessary

Related codes

U0501 U0502 U0503