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  1. #1
    Junior Member wesleyheida's Avatar
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    Default Need help reading eeprom MM Audi A3 8L 2002 cluster

    Hello

    I have a Audi A3 8L 2002 8L0920932M Magneti Marelli cluster. I want to read the eeprom of the mcu chip. I have done much research but can't figure it out.

    I have 2 motorola chips:
    Big one:
    MC912DG128ACPV
    3K91D
    HHVD0217
    504000001309
    V8.51 DG128AH
    FP2203461
    02/170

    Small one:
    MC908AZ60ACFU
    3K85K
    HHWD0216
    504000001109 HG
    V8.51
    FP2203570
    02/175

    Which one contains the eeprom data with mileage, pin etc? And why are there 2 mcu's?
    What hardware can read and write these chips?
    Attached photos to see the chips for yourself.

    Thanks!
    Attached Images Attached Images
    Last edited by wesleyheida; 27th February, 2021 at 12:27 PM.

  2. #2
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    Default Audi A3 8l

    Read eeprom 912DG128 - Xprog, UPA ...

  3. #3
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    Default

    DSP3+ will do it also,carprog,x-tool as well.

  4. #4
    Junior Member wesleyheida's Avatar
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    Default

    ETL Programmer. Heard good things about it. Should it work with this mcu?

    And MC912DG128 is the same as MC68HC912DG128 ??
    Same mcu but just other name? Or is it not the same?

  5. #5
    Junior Member wesleyheida's Avatar
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    Default

    What does the HC08 chip even do? Fuel, temp gauges or something? Maybe something with the display?

 

 

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