UI-A078
UI_a078_DashcamUsbDriveUnmountable
Also written as UI_A078 / UI A078 / UI_a078_DashcamUsbDriveUnmountable / ui_a078_dashcamusbdriveunmountable
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does UI-A078 mean?
Tesla alert code in the User Interface (UI) module. The USB drive used for dashcam has failed to mount. FSCK failed to fix the drive while trying to mount it. The drive undergoes a checkdisk or format operation on a Windows computer. Dashcam (and Sentry recording) will not work. There are errors associated with the dGPU One or more malfunctions: dGPU, board-to-board connector, MCU PCB, or SoC There are no errors related to the dgpu Graphics performance deteriorated System will reboot to apply configuration changes Vehicle has received a gateway configuration change while parked Infotainment system will reboot after a few seconds
Original Description
The USB drive used for dashcam has failed to mount. FSCK failed to fix the drive while trying to mount it. The drive undergoes a checkdisk or format operation on a Windows computer. Dashcam (and Sentry recording) will not work. There are errors associated with the dGPU One or more malfunctions: dGPU, board-to-board connector, MCU PCB, or SoC There are no errors related to the dgpu Graphics performance deteriorated System will reboot to apply configuration changes Vehicle has received a gateway configuration change while parked Infotainment system will reboot after a few seconds
Affected Tesla Models
What You May Notice
- User Interface alert: The USB drive used for dashcam has failed to mount. FSCK failed to fix the drive while trying to mount it. The drive und
- Touchscreen may show an error for one or more apps or settings
- Feature may restore itself after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
UI-A078 is an Alert in the User Interface system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.