U0110
NetworkModule Communicationcritical severityLost Communication with Drive Motor Control Module
What U0110 Means
Cannot communicate with the electric drive motor control module in hybrid or electric vehicles.
Symptoms
- Hybrid/EV system warning light
- Cannot drive in electric mode
- Reduced power
- Vehicle may not move
- Ready light not on
Common Causes
- Drive motor module failure
- High-voltage disconnect
- CAN bus wiring issue
- Module power loss
- Fuse blown
Diagnostic Steps
- Check drive motor module fuses
- Test 12V power and ground to module
- Verify high-voltage interlock
- Check CAN wiring
- Scan for high-voltage system codes
Where to start: High-voltage system. Professional service required. Check 12V supply to module first.
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