VoltVitals
Low — MonitorCode: MCU_w023

Media Control Unit Warning Active

The car's primary infotainment and Media Control Unit has logged a non-fatal internal logic glitch or high processor temperature loop. While the vehicle remains fully safe to drive, secondary convenience features like GPS tracking, sound systems, and camera feeds may lag or freeze.

Ford Mustang Mach-E (2021+)Tesla Model 3, Model X, Model S (2017+)Tesla, Ford Model 3, Mustang Mach-E (2020+)

Estimated Cost

$450

Repair Time

1-2 hours

Difficulty

Shop Recommended

Can I Fix This Myself?

Professional Service Recommended

This repair involves high-voltage components or specialized equipment.

What professionals will use:

Professional scan toolHydraulic liftHigh-voltage safety PPE

Use the diagnostic wizard below to gather information for your mechanic, then find a local EV specialist using the ad below.

Step-by-Step Fix Instructions

  1. 1

    Press and hold both steering wheel scroll wheels for 10 seconds to force an infotainment cold reboot.

  2. 2

    Clear old browser cache data and stored trip histories within the settings menu.

  3. 3

    Leave the car locked and undisturbed for an hour to allow the main application processor to cool down completely.

  4. 4

    Install the newest available over-the-air system firmware updates to patch known memory leak bugs.

  5. 5

    Replace the dedicated low-voltage cabin cooling fan tasked with pulling hot air away from the media computer core.

  6. 6

    Replace the media computer control center module card inside the main dashboard assembly.

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Step-by-Step Diagnostic Wizard

Answer each question to narrow down the root cause of your MCU_w023 fault.

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