UI family
UI_a158_UsbDeviceMountError
Unable to mount USB device filesystem
What does the UI_a158_UsbDeviceMountError alert mean?
A USB device has been inserted and an error occurred while mounting it.
What you'll see in your Tesla
- Unable to mount USB device filesystem
- Try removing and re-inserting USB device
What triggers it
An error occurred when the vehicle attempted to mount a USB device filesystem.
When it clears
Clears automatically when the USB device is removed.
Potential impact
The vehicle failed mount the USB device filesystem due to an error. USB storage may be unavailable for specific applications.
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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