Copy link Quote reply Owner lewurm commented Pictures of the Tesla Model 3 MCU board, SD card, HRL and flashing LEDs #3. Repeated repair attempts failed to solve the issue, and they were understandably upset that they had to pay half the cost out of pocket ⁠- despite the vehicle still being under warranty.

Tesla Forums covered the issue back in April, with a poster noting the MCU repeatedly rebooted after 39,000 miles on their 2016 Model S.

Many complaints said Tesla requires owners to pay.

Tesla said it has received 2,399 complaints and field reports, 7,777 warranty claims, and 4,746 non-warranty claims related to MCU replacements.

Unfortunately, Tesla chose to make two mistakes which hurt the MCU1 badly, firstly they used cheap embedded Multi-Media.

The original version is now referred to as MCU1 was updated in 2018 and is different again in the Model 3. The Tesla Media Control Unit or MCU has been a significant feature of the cars since the Model S was first introduced.Option 1: The scroll wheel reboot Press and hold both scroll wheels on either side of the steering wheel for up to 10 seconds and the main/central screen will reboot. Tesla now suggest unplugging all USB devices prior to performing a reboot as it can prevent some sub systems from shutting down.Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. Save up to $3,291 on one of 194 used 2017 Tesla Model 3s in Dallas, TX.This is helpful when sending the eMMC out for repair us.

This video will show you how to remove and install the MCU /Center Display unit on a Tesla Model S.

The MCU is responsible for the visualizations, all external communications, audio, cellular, navigation, and settings. The module includes processors, RAM, non-volatile memory, the audio subsystem, 5 amplifiers, WiFi, Cellular, Bluetooth, GPS, the Ethernet bridge, multiple CAN bus communications, the LIN bus, USB ports, and more.

This refers to the computer module in the center of the S/X dashboard with the touch display, or the main computer module in the 3/Y.

At that time, Tesla replaced the MCU eMMC on Sept 3rd 2020.

I have Model X 2016 90D AP1 and my MCU failed which ended up immobilizing the car (Tesla said this should not have happened but it did) which required a flat bed tow (their cost) to a nearby Tesla service center.

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