How to reprogram Eprom with software - Page 2
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  1. #16
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    Here are pictures of my Ecu with Eeprom, etc.
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    Ok.
    Thank you, Panos

  3. #18
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    you must read B58258 ,this is a mask of 24C02 EEPROM (here is immo ) the bigger one is EEPROM 85C510 (mask 58400) there ist other data (maps for chiptuning,etc)
    My English is little bit bad, but day after day is better. Like my experiences https://www.youtube.com/channel/UCdT...bx2Pc7WI4pWUWA

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    bh01 (22nd July, 2017)

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    Thank you.
    I know about it when i opened Ecu and made researchs.
    Eeprom B58258 24C02
    Eprom B58400 TI 87C510 DIL 28.

    The problem is that i can't read and write correctly.
    I have PonyProg, but i'm not sure how to use.
    There's a chips list, and i don't know what is mine.
    I think it's "I2C Bus 8bit eeprom", but when i try to read device, i have error message that "device busy or hardware error", something like that.
    Last edited by bh01; 22nd July, 2017 at 09:25 PM.

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    Ok, pony prog is simple prog, you have purchased or make your ovn? You try to read on board? (in cicruit?) or you have desolder from pcb? Try search from google for datasheet for 24C04 and look for gnd and +5 volts (or3.3volts) When you try to read must on chip detect voltage.

    Very important is good setting on pony prog too, com port, etc power .... Its your first job? When yes, you might be BIG HAPPY when car start

    Dont try to write, if you havent ori back up from chip.

    Be cool, every car is diferrent, so its neverending learning story
    Last edited by Pyromaniak; 22nd July, 2017 at 11:01 PM.
    My English is little bit bad, but day after day is better. Like my experiences https://www.youtube.com/channel/UCdT...bx2Pc7WI4pWUWA

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  7. #21
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    You must make a simple circuit. Desolder the eprom end after read/write.
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    Last edited by panos_k; 22nd July, 2017 at 11:14 PM.

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    Quote Originally Posted by panos_k View Post
    You must make a simple circuit. Desolder the eprom end after read/write.
    or simplest http://www.electroons.com/electroons/programmers.html
    My English is little bit bad, but day after day is better. Like my experiences https://www.youtube.com/channel/UCdT...bx2Pc7WI4pWUWA

    My help not for free, press THANKS and REP, for make me HAPPY


    im not using passwords, my work is for this forum and members free

  10. #23
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    I read about usb or serial programmer, thank of you.
    It's my first time.
    But, i've got no such programmer devices, like Upa usb, Willem, Orange, etc.

    I have only softwares like Immokiller, Immo decoder, Otocheck, PonyProg, Vag-com, Mpp,...
    I use odb2 cable to communicate with Ecu, using my computer.

    I apologise men, i have to complete explanation about my problem.

    I'd like to make immo off, to turn on my car and drive it.
    I had to change ignition cause i have lost the only key i've had.
    Reprogramming my new transponder key would cost me much at VW.
    Car is too old to spend too much money for solve.

    So, i searched a lot about solutions online.
    That's why i found that forum.
    It's well organised, with lot of information, participation, sharing,...

    I read about desolder chip, read it with programmer, etc.
    I've never made such things on Ecu, and don't have such material.

    That's why i searched about software solutions to read and write my Bosch Motronic MP9 Ecu.
    That's all.

    I just wish help in solving the problem.
    And I thank you for telling me the most appropriate solution to my situation.
    I've already had to change all the locks. And, therefore, I can not continue spending for an old car.

 

 
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