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  1. #1
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    Default Audi Chorus M4 code please

    Hi guys.
    I have a radio Audi Chorus M4.
    I am a little bit confused.
    It has an MCU with 3F71L mask but I dont find cross reference anywhere.
    The serial number is: AUZ1Z2Y69280206.
    It also has an eeprom near to the MCU that appears to be a 24c16, it hasnt nothing saying that but it appears to be.
    Anyone can clarify this doubts for me and tell me exactly what I need to read in this radio?
    Thanks to all.
    Best Regards,
    Nuno

  2. #2
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    dashradio's Avatar
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    Default Code is in 24c16

    Quote Originally Posted by carsolution View Post
    Hi guys.
    I have a radio Audi Chorus M4.
    I am a little bit confused.
    It has an MCU with 3F71L mask but I dont find cross reference anywhere.
    The serial number is: AUZ1Z2Y69280206.
    It also has an eeprom near to the MCU that appears to be a 24c16, it hasnt nothing saying that but it appears to be.
    Anyone can clarify this doubts for me and tell me exactly what I need to read in this radio?
    Thanks to all.

    Best Regards,
    Nuno
    Read the 24c16 the code is in there, post file if you can't do it

  3. #3
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    Default

    Thanks a lot my friend.
    I will read it and post it as soon as possible.
    Thanks a lot.
    Best Regards,
    Nuno

  4. #4
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    Default

    Hi!Carbase says that the code is stored in the MCU(MC68HC705B32).
    -= CODEDRADIO =- Base navigation

  5. #5
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    Default

    Hi friends.
    Thanks for your replies.
    I need dump to write in the MCU because with Upa it reads FF all the memory.
    Please, if someone has dump for this radio and knows the code, share with me.
    Thanks to all my friends.
    Regards,
    Nuno

  6. #6
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    Default

    try with this.......
    Attached Files Attached Files

  7. The Following User Says Thank You to zvasile For This Useful Post:

    kappa1 (13th December, 2014)

  8. #7
    DK Veteran deffc0n's Avatar
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    Default

    Quote Originally Posted by carsolution View Post
    Hi guys.
    I have a radio Audi Chorus M4.
    I am a little bit confused.
    It has an MCU with 3F71L mask but I dont find cross reference anywhere.
    The serial number is: AUZ1Z2Y69280206.
    It also has an eeprom near to the MCU that appears to be a 24c16, it hasnt nothing saying that but it appears to be.
    Anyone can clarify this doubts for me and tell me exactly what I need to read in this radio?
    Thanks to all.
    Best Regards,
    Nuno
    Read this Motorola ETL programmer.


  9. #8
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    Default

    I will try your file and post the result my friend.
    Best Regards,
    Nuno

  10. #9
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    Default

    Thanks all for your help.
    Radio is working with zvasile file.
    Thanks to all.
    Regards,
    Nuno

  11. #10
    Top Poster Evaldazj's Avatar
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    Default

    for me upa read FF's to, but also I can't write, upa shows writing to 40 adress and then says no respond.
    If post helped, allways hit thank's

  12. #11
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    Default

    Sorry, bad post. I was saying something about external 5v source, but isnt an eeprom, its an MCU...
    Last edited by Argento7; 4th November, 2011 at 07:43 PM.
    __==41 72 67 65 6E 74 6F 37==__

 

 

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