MyTeslaMate
GTW family

GTW_w300_mcuUndervoltageProtectionSelfTest

Not Available

What does the GTW_w300_mcuUndervoltageProtectionSelfTest alert mean?

The vehicle Gateway (GTW) detects the undervoltage protection self-test on the Media Control Unit (MCU) did not pass successfully. Driving is disabled as the low voltage (LV) systems may not be protected from an undervoltage event.

What you'll see in your Tesla

  • Not Available

What triggers it

The vehicle GTW detects the undervoltage protection self-test on the MCU did not pass successfully.

When it clears

The vehicle GTW detects the undervoltage protection self-test on the MCU passes successfully, indicating the MCU is now able to provide undervoltage protection to the LV systems.

Potential impact

Vehicle is unable to drive until the MCU provides undervoltage protection to the LV systems.

Affected models

Cybertruck

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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.