U0110critical severityNetwork
Lost Communication with Drive Motor Control Module
on 2021 BMW i3 Range Extender · RWD
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.
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Other Network codes on this vehicle
CC-ID-181
System Check Failed
CC-ID-207
Central Electronics Failure, Stop 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