U0110critical severityNetwork
Lost Communication with Drive Motor Control Module
on 2010 Toyota Highlander 3.3L V6 Hybrid · AWD
What this code 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
Repair notes
High-voltage system. Professional service required. Check 12V supply to module first.
Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus