UI family
UI_a078_DashcamUsbDriveUnmountable
USB drive is not accessible by Dashcam
What does the UI_a078_DashcamUsbDriveUnmountable alert mean?
The USB drive used for dashcam has failed to mount.
What you'll see in your Tesla
- USB drive is not accessible by Dashcam
- Reformat the drive to a supported format
What triggers it
FSCK failed to fix the drive while trying to mount it.
When it clears
The drive undergoes a checkdisk or format operation on a Windows computer.
Potential impact
Dashcam (and Sentry recording) will not work.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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