Invalid Data Received From Moveable Roof Control Module A

Where it lives

For U0508, the part to look at first is the module named here.

Check these first

• A loose, corroded, or water damaged connector at the moveable roof control module A
• An open or short in the moveable roof control module A wiring to the module that receives its data
• A lost power or ground feed to the moveable roof control module A

What to do next

1. Scan all modules and record the stored and pending network codes
2. Check battery voltage and charging output
3. Repair or replace the moveable roof control module A if the circuit, power, and bus tests pass
4. Clear the code and retest to confirm the moveable roof control module A fault is gone

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