OBD-II code · Network
U01BE Lost Communication with Drive Motor A Clutch Actuator
ECU lost communication with the drive motor A clutch actuator (engages/disengages drive motor in some hybrid layouts).
Is it safe to drive with U01BE?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyActuator unpowered or wiring broken
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–6 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Drive Motor A Clutch, Can Bus
Related codes
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- U01BCLost Communication With Charge Air Cooler Coolant Pump B
- U01BDLost Communication With DC/DC Converter Control Module C
- U01BFLost Communication with Battery Management Control Module
- U0200Lost Communication With Door Control Module B
- U0201Lost Communication With Door Control Module C
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.