Invalid Data Received From Lighting Control Module - Rear A

Where it lives

For U0484, start at the module the description names.

Check these first

• A fault inside the Lighting Control Module - Rear A
• An internal failure of the Lighting Control Module - Rear A
• A weak power or ground feed to the Lighting Control Module - Rear A

What to do next

1. Pull all module codes with a scan tool
2. Inspect the Lighting Control Module - Rear A connector for corrosion or backed out pins
3. Replace the Lighting Control Module - Rear A if the wiring and voltage tests pass
4. Clear the code and retest

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