MCU family
MCU_w004_TouchScreenError
Touchscreen unresponsive
What does the MCU_w004_TouchScreenError alert mean?
Touch screen not responsive because a cable is unplugged inside the unit
What you'll see in your Tesla
- Touchscreen unresponsive
- Press and hold scroll wheels to restart
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.