U0217
NetworkModule Communicationmoderate severityLost Communication With Door Control Module D
What U0217 Means
The network can no longer talk to door control module D. Window, lock, and mirror functions for that door may fail.
Symptoms
- Power window not responding
- Lock function inoperative
- Warning light on
Common Causes
- Faulty door control module D
- Door boot wiring damage
- Corroded connector
- Blown fuse
Diagnostic Steps
- Scan for lost comm codes
- Verify module power and ground
- Inspect wiring in door boot
- Check CAN bus voltage
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
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SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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