UI_a112_badUSBDevice
USB device malfunction - I/O Error
What does the UI_a112_badUSBDevice alert mean?
A USB device with an internal or external condition has been plugged in, which may cause the car computer to reboot. The center display and heating, ventilation, air-conditioning (HVAC) system may turn off momentarily.
What you'll see in your Tesla
- USB device malfunction - I/O Error
- Unplug device from USB port
What triggers it
A USB device with an internal or external condition is plugged in.
When it clears
A USB device with an internal or external condition is unplugged.
Potential impact
The car computer may reboot. During the reboot, the center display will be blank and the heating, ventilation, air-conditioning (HVAC) system will momentarily turn off while the car computer reboots.
Affected models
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.