U049A
Invalid Data Received From Door Control Module A
U049A is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Door Control Module A. Common causes: door control module malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–278.
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
Error U049A by Vehicle Brand
FAQ
What does the U049A code mean?
U049A is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Door Control Module A
What causes a U049A error code?
The most common causes of U049A include: Door control module malfunction; Open or short circuit in wiring harness; Oxidation of connector contacts; Module power problems.
How do I fix a U049A diagnostic trouble code?
To fix U049A: 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. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U049A?
Yes, but get it checked soon
How much does it cost to fix U049A?
The estimated repair cost for U049A is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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