Invalid Data Received From Door Control Module G

Where it lives

For U0506, the description names the module as the part involved.

Check these first

• An open or short in the door control module G wiring to the module that receives its data
• A lost power or ground feed to the door control module G
• Stale calibration or an outdated software load in the door control module G
• Electrical noise on the data bus corrupting the door control module G signal

What to do next

1. Scan all modules and record the stored and pending network codes
2. Inspect the door control module G connector pins for corrosion, water, and looseness
3. Test the door control module G power and ground feeds under load
4. Repair or replace the door control module G if the circuit, power, and bus tests pass
5. Clear the code and retest to confirm the door control module G fault is gone

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