vvdi mc 9S12B MITSUBISHI COLT 2004 ECU can't write....
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  1. #1
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    Panathaole's Avatar
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    Default vvdi mc 9S12B MITSUBISHI COLT 2004 ECU can't write....

    Hello to the forum


    I read an mc 9s12b from mitsubishi colt ecu, i take 2kb file, i edit the file and i try to write back to chip, but only a part of the file wrote into the eeprom, i try it for several times but nothing, original vvdi did not support write in that chip?

    and something more were i can find vvdi common European ecu pin out?

    Thank you.

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    Quote Originally Posted by Panathaole View Post
    Hello to the forum


    I read an mc 9s12b from mitsubishi colt ecu, i take 2kb file, i edit the file and i try to write back to chip, but only a part of the file wrote into the eeprom, i try it for several times but nothing, original vvdi did not support write in that chip?

    and something more were i can find vvdi common European ecu pin out?

    Thank you.
    if only writing is problem, and when you read many times and never have verify error on something like that, there could be wrong algorithm in vvdi, or i. e. to low vppr voltage. i remember, that using x-prog in motorola's mcu, good vppr signal is very important , and if current source is poor, vppr coud drop to low value and impossible to write. But, if you had verify error only one in read steps, try to heat mcu using hot-air, not to much of course, but maybe it helps. regards
    Last edited by WinWoj; 15th October, 2017 at 11:34 AM.

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    Thank you for your reply, and i am sorry for delaying...

 

 

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