U0502

Invalid Data Received From Door Control Module C

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Power windows do not work on a certain door
Problems with central locking
Flashing lights on the dashboard
Error on the on-board computer display

Causes

Door control module C fault
Open or short circuit in wiring
Poor contact in connectors
Module power problems
ECU software error

How to Fix

Check the integrity of the wiring to door module C
Inspect connectors for corrosion or damage
Check the power supply and ground of the module
Scan the system for other errors
Replace door control module C if necessary

Related codes

U0501 U0503 U0500