TESLA Unknown

MCU-U002

MCU_u002_washerFluidLow

Also written as MCU_U002 / MCU U002 / MCU_u002_washerFluidLow / mcu_u002_washerfluidlow

System
MCU
Media Control Unit
Type
Unknown
Category
Network
Severity
Diagnostic / Info

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 MCU-U002 mean?

Tesla unknown code in the Media Control Unit (MCU) module. This alert indicates the media control unit (MCU) has detected that the washer fluid level in the windshield washer system is low.

Original Description

This alert indicates the media control unit (MCU) has detected that the washer fluid level in the windshield washer system is low.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Media Control Unit alert: This alert indicates the media control unit (MCU) has detected that the washer fluid level in the windshield washer syst
  • 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. 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
  2. 2 Check for pending OTA software updates
  3. 3 If the issue persists, schedule a service appointment

Severity Notes

MCU-U002 is a diagnostic or informational code in the Media Control Unit system. Typically no immediate action is required.

Other MCU Codes

View all MCU codes →