MCU family
MCU_w066_dashcamUsbDriveUnmountable
USB drive is not accessible by Dashcam
What does the MCU_w066_dashcamUsbDriveUnmountable alert mean?
Dashcam USB drive is unmountable
What you'll see in your Tesla
- USB drive is not accessible by Dashcam
- Reformat the drive to a supported format
Affected models
Model S 2012-2020
Model X 2015-2020
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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.