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Hansshow premium audio upgrade [error on screen] - eCall emergency call system needs service

Discussion in 'Model 3: Interior & Exterior' started by chrisdk, Mar 5, 2021 at 3:49 PM.

  1. chrisdk

    chrisdk Member

    Joined:
    Mar 7, 2020
    Messages:
    8
    Location:
    Denmark
    I just Got the Hansshow premium audio upgrade harness installed in my M3 2020 SR+. I didn’t do this myself, but I got a 3rd party workshop to do it for me.

    When I got the car back, I noticed that I persistently got the error “eCall emergency call system needs service”. The error won’t go away after 4 days, although I have tried soft reset (wheel buttons), turning the car off on the LCD, letting it sleep for hours, etc. I also checked the passenger footwell trim if any cables had come loose, but nothing here.

    A far as I know the harness doesn’t have anything to do with the eCall system, so either the workshop must have unplugged something by mistake, or there is a hardware error which happened to pop up the same day.

    The car will go back to the workshop, that’s for sure, but I also wanted to make sure that this is not something i can fix myself.do anyone know of any fix or if it has to do with the harness upgrade itself?
     

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