MyTeslaMate
MCU family

MCU_w090_dashcamUsbDriveTooBigForVfatFsck

Dashcam USB drive is unrepairable

What does the MCU_w090_dashcamUsbDriveTooBigForVfatFsck alert mean?

Reformat USB as exFAT. USB drive is too large to repair FAT32 corruption.

What you'll see in your Tesla

  • Dashcam USB drive is unrepairable
  • Reformat drive as exFAT

Affected models

Model S 2012-2020 Model X 2015-2020

Track your Tesla's alerts automatically

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.