OBD Guide

U0504

Invalid Data Received From Door Control Module E

U0504 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Door Control Module E. Common causes: door control module e fault, damage to the wiring harness to the module. Estimated repair cost: $56–167.

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

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

Related codes

Error U0504 by Vehicle Brand

FAQ

What does the U0504 code mean?

U0504 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Door Control Module E

What causes a U0504 error code?

The most common causes of U0504 include: Door control module E fault; Damage to the wiring harness to the module; Poor contact in connectors; Module software error.

How do I fix a U0504 diagnostic trouble code?

To fix U0504: Check the integrity of the wiring harness to the module. Check contacts in module connectors. Scan the module for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0504?

Yes, but get it checked soon

How much does it cost to fix U0504?

The estimated repair cost for U0504 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat