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Thread: ECM File Corrupt From My Truck To Autocal

  1. #1
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    Default ECM File Corrupt From My Truck To Autocal

    I recently sent my info to Justin (datalog, ecm file, transmission file) to get a custom tune done. The ECM file keeps downloading corrupt. It dowloads fine to the autocal from the truck but i emailed the file 2 different times to Justin and he says its corrupt. I unplugged my radio so my aftermarket stereo wouldnt interefere and it still happened. Anyone else have this problem? The transmission file was fine so im not sure why the ecm file is not downloading clean. Any help is appreciated.

    It says in the scan and tune software "Checksum Invalid"
    Last edited by maczilla23; September 25th, 2012 at 09:34 AM.

  2. #2
    Joe (Moderator) joecar's Avatar
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    What is corrupted, the file you read from ECM to AutoCal...?

    Which program (V7 tunetool or V8 S&T) says the file is corrupt (and which version)...?

    What bootblock/firmware versions are in your AutoCal...?

    After updating to firmware 2.07.35 did you do BBx Program All...?

    What year/model/vehicle...?

  3. #3
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    Yes it is ecm to autocal

    V8 S&T

    it says my firmware is up to date so i havent done the bbx program all? I dont even know what that is lol.

    2006 Chevy Silverado 2500HD 8.1L 6 speed allison

  4. #4
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    2.07.04 is the bootblock

    2.07.35 is the firmware

  5. #5
    Lifetime Member GMPX's Avatar
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    Justin is dealing with EFILive directly on this issue maczilla23, I'm sure he'll keep you posted on what is found.
    I no longer monitor the forum, please either post your question or create a support ticket.

  6. #6
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    Ok thanks. Before he started getting to far into with me i posted this to maybe help him figure it out.

  7. #7
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    Huh, I didnt even know GM made the 8.1L + Alli combo that long. Thought after 02/03 they didnt exist! Learn something new every day I guess.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  8. #8
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    No in 2006 was the last time they made the 8.1L. Also the first year they did the 6 speed allison. Its a cool truck!

  9. #9
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    Yep have one with a Wimple Blower on it sitting here at DuraBurb on the floor we swapped out for a LMM Duramax reverse converted to LBZ Communication and ECU/TCM

    Nice Combo

  10. #10
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    Thats one of the rare breeds then, only year with an 8.1L + 6spd Alli!

    When you get your stock ECM tune pulled, would you mind posting it and your TCM tune up? Stock of course.

    And DuraBurb, you've been my inspiration to build a Dura'Lade. I would love to get an Escalade and swap an LBZ + Alli into it, would make for a unique tow rig!
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

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