MCU_w004 — Touch Screen Error
Full alert identifier: MCU_w004_TouchScreenError
Message shown in the car
Touchscreen unresponsive Press and hold scroll wheels to restart
Alert description
Touch screen not responsive because a cable is unplugged inside the unit
Potential impact
This information is not available in the alert reference.
Set condition
This information is not available in the alert reference.
Clear condition
This information is not available in the alert reference.
Signals to check
These diagnostic fields are associated with MCU_w004. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Touch Screen Error Code
MCU_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of MCU_w004.