Invalid Data Received From Body Control Module A

Where it lives

For U0431, the description names the module as the part involved.

Check these first

• An interrupted ground to the Body Control Module A
• Corrupted or outdated software in the Body Control Module A
• An open or short in the Body Control Module A wiring
• A defective Body Control Module A

What to do next

1. Scan every module and record the stored codes
2. Watch Body Control Module A data on a scan tool
3. Test the Body Control Module A wiring for open and short faults
4. Replace the Body Control Module A if the circuit and grounds test good
5. Clear the code and retest

Look up another code