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  1. #1
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    Default Audi A6 C4 Immo off not working

    Hello. Car start 1/10 times, so we decided to make immo off. I have removed ECU, readed EEPROM (IS204 location), 0030 line changed to 00000... but car now not starts, I have disconnected immo box too. Please help

    I am attaching original and modified eeprom, please, I need very urgent, can't start car
    Attached Files Attached Files

  2. #2
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    What ecu is it?

  3. The Following User Says Thank You to morgano For This Useful Post:

    Dewagg (22nd July, 2021)

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    I think it is my fault... I readed eeprom 8 bit and wrote 16 bit.... Now I need dump from two eeproms IS104 and IS204 with immo off please.

    BOSCH
    4A0 907 401E

    28BRTD510
    6923 5170

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    Here complete files for left/right eeprom.
    Immo off in "right" eeprom also included.
    Attached Files Attached Files
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  6. The Following User Says Thank You to Volker For This Useful Post:

    Dewagg (22nd July, 2021)

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    Thanks man, I will try them now, should I write in 16 bit or 8 bit?

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    write 16bit
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    Default

    I wrote 16 bit and car do not start ;(

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    Quote Originally Posted by Dewagg View Post
    I wrote 16 bit and car do not start ;(
    The file on your first post -> is it read in 8bit?
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    yes, file in first post is readed as 8 bit

  12. #10
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    Also I have error in 01 Engine

    17978 (P1570) Engine Start Blocked by Immobilizer

  13. #11
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    I wrote you an PM.

    Try to write in 8bit.....but i think you confound the both eep....
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