U0200
NetworkModule Communicationlow severityLost Communication with Headlamp Leveling Module
What U0200 Means
Cannot communicate with the automatic headlamp leveling control module.
Symptoms
- Headlight level warning
- Headlights aimed incorrectly
- Auto-leveling not functioning
- Headlight error message
Common Causes
- Headlamp leveling module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Leveling motor failure
- Height sensor issue
Diagnostic Steps
- Check leveling module fuse
- Test power and ground
- Check CAN wiring
- Test leveling motors
- Check ride height sensor input
Where to start: Check fuses and headlamp leveling motors. System uses suspension height sensors for input.
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