Lost Communication With Object Detection Maintenance Control Module A

Where it lives

For U022E, the description names the module as the part involved.

Check these first

• Corroded or damaged pins in the module A connector
• Loss of power or ground to the object detection maintenance module
• A software or calibration fault in the module
• An internally failed module A
• Water damage or overheating at the module

What to do next

1. Inspect the module A connector pins for corrosion or damage
2. Check power and ground at the object detection maintenance module
3. Check the bus wiring from the body computer to the module
4. Update or reprogram the module calibration
5. Replace the module if it does not communicate on the bus
6. Clear the code and retest

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