Lost Communication With Rear Gate Module

Where it lives

For U0230, the part to look at first is the module named here.

Check these first

• Damage to the wiring or connector between the central computer and the rear gate module
• A failed rear gate module
• Corrosion or water at the rear gate connections
• A software fault in the vehicle
• An obstruction interrupting the gate signal

What to do next

1. Inspect the wiring and connector between the computer and the rear gate module
2. Check the rear gate module connector for corrosion or water
3. Check power and ground at the rear gate module
4. Update or reprogram the vehicle software if a fault is stored
5. Replace the rear gate module if it stays offline
6. Clear the code and retest

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