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  • Users: oznek
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  1. oznek

    Reverse engineer ECU

    Hi ZakhooiTm~ Thank you very much for the hint. The Security Code issue is exactly what I don't understand. Isn't the IMMO security code "calculated" as per VIN or it is a "fixed" code by the factory and never changed even VIN is altered?
  2. oznek

    Reverse engineer ECU

    Due to I don't have mpps but only TECH2. What I am going to try is directly alter the raw binary from my TECH2's card then flashing it. Or I will try the way ZakhooiTM has suggested.
  3. oznek

    Reverse engineer ECU

    That is really a remarkable work. (respect) I tried to read your blogs but I don't understand Hungaryian. Do you mean simply altering the code at address (0xccf0-0xcd33) would completely get rid of the EGR valve without falut code?
  4. oznek

    Reverse engineer ECU

    So after the ECU flashed, the VIN will be changed as well. Does it means I have to match my immo to the new VIN? or I can Hex edit the VIN(on TECH2's flash card) back to W0L0TGF4825083014 before I flash it?
  5. oznek

    Reverse engineer ECU

    I cam across this post today. Maybe I can try to extract those firmwares from TEC2/TIS200. I may need some help but I will keep you informed.
  6. oznek

    Reverse engineer ECU

    I did read about yor progress on disabling EGR. Have you found a way to completely remove it or the EGR must remain connected?
  7. oznek

    Reverse engineer ECU

    Thanks for your reply. I actually have tried flashing my MY01 Z22se ECU with MY03 w/o EGR firmware( 09391273 Ver.8--->12586913 Ver.1). Untortunatley, it won't work. Firstly, the ECU's firmware version is tied to car's VIN (check here). It is not possible to have my MY01 to pull MY03 firmware out...
  8. oznek

    Reverse engineer ECU

    Excuse me if my question sounds stupid. Is it possible to have my MY2001 Zafira 2.2 16V flashed with MY2004 firmware so I can disable EGR from TECH2?
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