Invalid Data Received From Door Control Module A

Where it lives

For U049A, the description names the module as the part involved.

Check these first

• Water or heat damage to the Door Control Module A
• A corroded or damaged Door Control Module A connector
• A weak power or ground feed to the Door Control Module A

What to do next

1. Read the stored codes on a scan tool
2. Check the Door Control Module A circuit for opens and shorts
3. Replace the Door Control Module A if the wiring and voltage tests pass
4. Clear the code and retest

Look up another code