Lost Communication With Door Switch D

Where it lives

For U0218, the part to look at first is the switch named here.

Check these first

• A damaged wire or connector between the computer and door switch D
• A failed door switch D
• Corrosion or water in the switch D connections
• A module fitted or connected wrong
• A software or firmware fault in the computer

What to do next

1. Inspect the switch D connector and wiring for damage
2. Check for corrosion or water at the switch D plug
3. Test door switch D operation at the computer
4. Update the computer software if a fault is stored
5. Replace door switch D if it stays silent
6. Clear the code and retest

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