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More ECU confusion

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  • #1

    More ECU confusion

    I am looking at purchasing a GIAC chip..
    Supposedly if I have a 2002 1.8T FWD Passat, I should have a #4B0906018CM ECU. But my ECU is #4B0906018DF which they state as being for a 2005.
    I have missed out on 2 other chips due to not having a CM.
    Can someone tell me if this is an issue and why would I have a DF as opposed to a CM??
    I'M SO CONFUSED
    sigpic
    2009 125TDI Passat
    2002 B5.5 1.8T Passat
    Tags: None
  • #2
    im not quite 100% what you're asking here, but both are a flash not a chip, from giac anyway.

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    • #3
      It is a standard ME7 upgrade over OBD; as such there is no need to try and buy a second hand GIAC chip for it when you can get a handheld flasher/switcher unit, etc. like our SRS-II.
      VWWC Members - 2018 Special - ECU & DSG Remaps
      DNA Tuning Australia - Enquiries: info@dnatuning.com.au

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      • #4
        That should be a flashable ECU. No point in buying a chip... What's your engine code?

        Gavin
        optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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        • #5
          AS above. You can do a chip swap but its much easier to flash over OBDII

          your ECU's details will most probably be these,

          HW number 0261207639
          SW number: 1037362361
          Eprom: 29F800 PSOP44 8Mbit - Flash 512K x 16
           8 bit chksum: 62E2
          Inv. 16 bit chksum: A5A2
          UPG SW: 4B0906018DF 0001



          its the only DF variant I can find

          https://www.youtube.com/user/oz04sti
          https://www.facebook.com/RecodeTuning

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