OBD Guide

U0506

Invalid Data Received From Door Control Module G

U0506 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Door Control Module G. Common causes: door control module malfunction, open or short circuit in communication circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • The power windows on one door do not work
  • Problems with central locking
  • Door light glitches
  • Error on the dashboard
  • The door is not displayed in the monitoring system

Causes

  • Door control module malfunction
  • Open or short circuit in communication circuit
  • Poor contact in connectors
  • Problems with the CAN bus
  • Module software failure

How to Fix

  1. Check the power supply and ground of the module
  2. Inspect connectors and wiring harness
  3. Scan the CAN bus for errors
  4. Reflash or replace the door module
  5. Check the integrity of the communication circuit

Related codes

Error U0506 by Vehicle Brand

FAQ

What does the U0506 code mean?

U0506 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Door Control Module G

What causes a U0506 error code?

The most common causes of U0506 include: Door control module malfunction; Open or short circuit in communication circuit; Poor contact in connectors; Problems with the CAN bus.

How do I fix a U0506 diagnostic trouble code?

To fix U0506: Check the power supply and ground of the module. Inspect connectors and wiring harness. Scan the CAN bus for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0506?

Yes, but get it checked soon

How much does it cost to fix U0506?

The estimated repair cost for U0506 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat