MyTeslaMate
MCU family

MCU_w095_badUSBDevice

USB device malfunction - I/O Error

What does the MCU_w095_badUSBDevice alert mean?

A bad/faulty USB device was plugged into the system

What you'll see in your Tesla

  • USB device malfunction - I/O Error
  • Unplug device from USB port

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.