TESLA Warning

MCU-W005

MCU_w005_BrakeFluidLow

Also written as MCU_W005 / MCU W005 / MCU_w005_BrakeFluidLow / mcu_w005_brakefluidlow

System
MCU
Media Control Unit
Type
Warning
Category
Network
Severity
Warning

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-W005 mean?

Tesla warning code in the Media Control Unit (MCU) module. The brake fluid levels have dropped below acceptable levels.

Original Description

The brake fluid levels have dropped below acceptable levels.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Media Control Unit alert: The brake fluid levels have dropped below acceptable levels.
  • 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-W005 is a Warning in the Media Control Unit system. Schedule service soon. Monitor your vehicle for additional warnings.

Other MCU Codes

View all MCU codes →