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Communities > Diagnostics > Europe Cars > 7gtronic VGS-NAG2 - MS909S2
7gtronic VGS-NAG2 - MS909S2

62 Views 1 Replies Latest reply: 2026-03-17 11:08:39


  •   Level 1   
    (8) points
    Sotir Zahariev
    2026-03-16 11:29:46
    Hello doest anyone succesfully adapted used TCU with MS909S2, i saw there is procedure, and there is option too to earse the Donor TCU data. Doest anyone tested yet and is it succesfull ?

    Tags: maxisys

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  •   Level 1   
    (8) points
    Sotir Zahariev
    2026-03-17 11:08:39 (Reply to:Sotir Zahariev)
     Just to cofmirn its possible. Very importnant is to EARSE the old data/Virginize the TCU by connecting it to bench, After that you should do Online programing/ can do it on bench, same connection/ but if you do it on bench you should know the Transmition valve block number and the vin of the Car you are programming to. After doing online programing and coding, you should put the TCU back to the car and procced the Drive autorization procedure from menu : TCU adaptation. 

    Just to be sure you virginize/erse old data, you can check it by drive authorization, it should be Personalization : NO , Authorization : NO. That mean your TCU is ready to be programming to new car.
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