U049A

Invalid Data Received From Door Control Module A

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Incorrect operation of power windows
Problems with central locking
Flashing interior lights
Error message on the dashboard
Failure of the seat and mirror position memory system

Causes

Door control module malfunction
Open or short circuit in wiring harness
Oxidation of connector contacts
Module power problems
Software failure in the module

How to Fix

Check the integrity of the wiring harness to the door module
Clean the module connector contacts
Check the power supply and ground of the module
Scan the module for additional errors
Replace the door control module if necessary

Related codes

U049B U0499 B1325