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  1. E

    New MX with black screens

    End result was an MCU replacement. Which took 5 business days.
  2. E

    New MX with black screens

    Will do. Still waiting to hear anything from service (since Monday) other than that they are "attempting to bring back the vehicle screens and determine a root cause"...no kidding. I receive several alerts that software updates have been both successful, and failed via the app. That's about...
  3. E

    New MX with black screens

    End result was I couldn't get it back in (or even in gear as of this morning). Tesla sent a tow truck, which had to drag it out of my garage and onto the flatbed. We'll see what happens from here. I guess my one lesson was to quickly get it to leave it somewhere easily towable if/while you...
  4. E

    Likely MCU Failure (MCU1 eMMC)

    End result was I couldn't get it back in (or even in gear as of this morning). Tesla sent a tow truck, which had to drag it out of my garage and onto the flatbed. We'll see what happens from here.
  5. E

    Likely MCU Failure (MCU1 eMMC)

    What fuse # is it?
  6. E

    New MX with black screens

    Thanks. Are you talking about the terminals on the actual 12v battery (which requires frunk tub removal), or the auxiliary posts that are under the fuse box cover (+) and mounted to the frame (-), which only require removal of one easy panel. I've only tried the auxiliary posts, but I got...
  7. E

    Likely MCU Failure (MCU1 eMMC)

    Problem is, since I don't have screen access, I can't turn the power off and I'm getting sparks when attempting to disconnect the battery.
  8. E

    Likely MCU Failure (MCU1 eMMC)

    I haven't been able to find a good video on this yet. Any info how to do this?
  9. E

    New MX with black screens

    Any idea how to disconnect the 12v battery? I started disconnecting the + nut under the fuse box cover in the frunk. I saw a few sparks and decided against continuing.
  10. E

    New MX with black screens

    I don't I ever setup scheduled charging. Just plug and chug every time.
  11. E

    New MX with black screens

    I can drive - just without any of the screens (which is do-able, but a little disconcerting). I tried charging and it turns solid green, so I guess my battery is full - I just can't verify this either on the screen or through the app (since the car has also lost connectivity).
  12. E

    Likely MCU Failure (MCU1 eMMC)

    That's what I was thinking...maybe a different problem with the MCU unfortunately.
  13. E

    New MX with black screens

    Thanks, tried calling service but the car has no connectivity so they can't diagnose. I was hoping there was a quick fix to reset the computer (other than the scroll wheel reboot that didn't work) to save a trip to service center.
  14. E

    New MX with black screens

    I purchase new MX about a month ago. It was a demo with about 1400 miles on it, and I love it...until this morning. Now both display screens are black, and I can't connect through the app to see what's going on. I tried multiple flavor of reboots using the scroll wheels, buttons above the...
  15. E

    Likely MCU Failure (MCU1 eMMC)

    Thanks. I did have stuff plugged in, but I removed them and tried rebooting. Still black screens and the same symptoms.
  16. E

    Likely MCU Failure (MCU1 eMMC)

    I have a 2019 MX that I bought about a month ago as a demo with ~1400 miles on it. As of this morning, both screens are black and the car has lost connectivity via the app, so Tesla can't remotely troubleshoot. I can drive the car, but without instruments. Seems like an MCU issue, possibly...

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