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Thread: TCU - A375 Airbag Error

  1. #1
    Join Date
    May 2011
    Location
    orlando, fl
    Posts
    61
    My Cars
    750li, RR SC, ML350

    TCU - A375 Airbag Error

    GM guys,

    Have an error that is driving me crazy hope someone here can help. I'm getting the following error for the passenger airbag but can not find out which one could be

    ECU - TCU
    Error- A375 Communication with airbag-ECU disturbed (Error_IIBUS_CONNECTION)

    From INPA
    Error code: A3 75 60 52 7B F1 7B F1

    - Using INPA I have checked all the satellites (front and rear) and don't have any errors stored
    - Using WinFKP have re-coded the ZGM, SGM and TCU, just for the hell of it and still getting the issue
    - The seat ocupancy sensor working fine, disconnected both and got comm error for them, so they are working
    - Disconnected the airbags modules in the front doors (driver and pass) and got comm error for them, so they are transmitting

  2. #2
    Join Date
    Sep 2018
    Location
    San jose
    Posts
    2
    My Cars
    2007 bmw 328i
    Did you ever fix this problem? Im having the same issue with my e90.

  3. #3
    Join Date
    Jun 2013
    Location
    Lancashire - UK
    Posts
    785
    My Cars
    2002 BMW E39 530i (UK)
    Just my tuppenceworth to this

    I was having similar issues with my 730D here in the UK a few months back; turned out to be a module that’s connected to the battery cable (the huge red one in the boot/trunk); might be worth having a look at that too
    My car: 2002 E39 540i Sport - Japanese import - the new project!

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