U01BE on 2024-2025 Chevrolet Corvette (E-Ray, E-Ray 1LZ, E-Ray 2LZ, E-Ray 3LZ) — Lost Communication with Drive Motor Disconnect Clutch Actuator
1 vehicles · 1 makes · $150-$900 repair
Most Reported On
U01BE is an OBD-II diagnostic trouble code meaning “Lost Communication with Drive Motor Disconnect Clutch Actuator.” A network communication code set when the controlling module stops receiving valid serial data messages from the M162 drive motor disconnect clutch actuator — the actuator mounted on the side of the front electric drive unit that engages and disengages the drive motor's differential to provide eAWD. GM's diagnosis for the 2024-2025 Corvette E-Ray is an internal microchip malfunction inside the actuator itself, and the published repair is to replace the M162 actuator (P/N 24052771) rather than to chase wiring or reprogram. This code is most commonly reported on 2024-2025 Chevrolet Corvette (E-Ray, E-Ray 1LZ, E-Ray 2LZ, E-Ray 3LZ), with repair costs ranging from $150 to $900.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
This is a network/communication code. A basic engine-code reader will not show it — you need a scanner that reads all modules. These read U01BE.
One caveat that applies to every scanner: only powertrain codes are standardised across manufacturers. Body, chassis and network coverage is "enhanced" diagnostics, and how deep it goes varies by make and model year — check your specific vehicle against the tool's coverage list before buying.
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level tablet with all-system coverage and bi-directional control, so you can command a module rather than only read it.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
What you can do yourself, and what needs a shop
Reading the code, clearing it, and watching whether it returns is a driveway job with the right scanner. These steps are not:
- Module programming or software updates — needs the manufacturer software or a J2534 pass-through with a paid subscription.
- Replacing a control module — most are VIN-programmed and immobilizer-registered, so a new one does nothing until it is coded to your car.
- Airbag/SRS component work — a stored fault can deploy a live device.
If the vehicle is still under warranty, check for an open recall or technical service bulletin before buying anything — the repair may already be covered.
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FAQ
What does U01BE mean?
U01BE stands for "Lost Communication with Drive Motor Disconnect Clutch Actuator." A network communication code set when the controlling module stops receiving valid serial data messages from the M162 drive motor disconnect clutch actuator — the actuator mounted on the side of the front electric drive unit that engages and disengages the drive motor's differential to provide eAWD. GM's diagnosis for the 2024-2025 Corvette E-Ray is an internal microchip malfunction inside the actuator itself, and the published repair is to replace the M162 actuator (P/N 24052771) rather than to chase wiring or reprogram.
What are the most common causes of U01BE?
The most common causes of U01BE are: Internal microchip failure inside the M162 drive motor disconnect clutch actuator (GM's stated cause), Open, shorted or high-resistance serial data circuit to the actuator, Corroded or unseated actuator connector, Loss of ignition voltage or ground to the actuator. The specific cause varies by vehicle.
How much does it cost to fix U01BE?
Repair costs for U01BE range from $150 to $900, depending on the vehicle and root cause.
Which vehicles are affected by U01BE?
Au7o has documented U01BE across 1 vehicle models from 1 manufacturers: Chevrolet.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.