OBD Codes List

Diagnostic reference · U01BE

U01BE

Lost Communication with Drive Motor A Clutch Actuator

System
Network communication (U code)
Lamp
Check Engine Light
Category
Network Communications

What it means

U01BE means Lost Communication with Drive Motor A Clutch Actuator.

Where it lives

For U01BE, the part to look at first is the actuator named here.

Check these first

  • A failed drive motor A clutch actuator
  • Damaged or misrouted wiring to the clutch actuator
  • A faulty actuator motor or solenoid
  • Mechanical binding in the clutch actuator linkage
  • A software or calibration fault in the drive motor control

What to do next

  1. Inspect the drive motor A clutch actuator wiring
  2. Test the clutch actuator motor or solenoid
  3. Check the actuator linkage for binding
  4. Verify the actuator command signal on a scan tool
  5. Replace the drive motor A clutch actuator if it does not respond
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.