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Code result

U01BE

Lost Communication with Drive Motor A Clutch Actuator

High severity

What it means

ECU lost communication with the drive motor A clutch actuator (engages/disengages drive motor in some hybrid layouts).

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Actuator unpowered or wiring broken

    high

    One of the most commonly reported causes for this code — check this first.

  • Gateway module routing CAN messages incorrectly

    low

    Less common, but worth ruling out after the more likely causes.

  • CAN terminating resistor (120 Ω) drifted out of spec

    low

    Less common, but worth ruling out after the more likely causes.

Related help

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