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Thread: Clean Stock LB7 OS

  1. #1
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    Default Clean Stock LB7 OS

    Does anyone have a known good clean LB7 OS that works with and Edge Insight?

    I have been struggling with my Edge Insight and after a couple of updates I was told I need at 03 or newer OS for the Insight to communicate properly.
    2002 Chevy Duramax with a few supporting mods.

  2. #2
    Lifetime Member GMC-2002-Dmax's Avatar
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    What OS did you try ? What year is the LB7 you need to tune
    www.mscservices.net


    Tuner of many, many Duramax and Cummins Diesels.


  3. #3
    Lifetime Member Mitco39's Avatar
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    You got to use the OS that came with the truck. IE you cannot update an 01 to a 02OS and expect the insight to work (even after changing around vins). I ended up doing some searching on here and found a 01 OS that works just fine. If you cant find it by tonight ill dig through my stuff and let you know the exact OS.

  4. #4
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    give this a look, my have your OS

    http://www.tunefiledepot.com/index.p...Type=D&Stock=Y
    2008 Chevrolet 3500HD DRW LTZ
    285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

    2004 LB7 Duramax, EFI Live with DSP5 Tune
    stage 4 SC transmission, 265/70/16 tires

  5. #5
    Lifetime Member GMC-2002-Dmax's Avatar
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    I will share with you what will and what will not work.

    The Edge CTS uses a check system to verify VIN# vs. OS#, so if you try to use a 2001 truck with any 2002 OS it will not work unless you change the 2001 ECM Vin# to a 2002 Vin#.

    The OS that is preferred for a 2002 OS swap into a 2001 truck is 15186006, this OS does not work with serial switching with an EDGE, an Autocal or a V2, you must use a 15094441.

    If you use 15094441 with a 2001 truck and re-vin to a 2002 vin# all is well.

    I made Ross aware of the issue with the 15186006 OS and he has it on his "White Board" to fix hopefully at some point, but given what he has on his plate I would not expect it to become a priority to fix any time soon as he has much bigger fish to fry.

    Here is an OS that will work for your 2001 with a 2002 OS/CTS.

    Tony
    Attached Files Attached Files
    www.mscservices.net


    Tuner of many, many Duramax and Cummins Diesels.


  6. #6
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    Thank you very much for the info guys. I have tried ever OS I have on file but changing it to my 2001 VIN so it sounds like that might be the problem. I was even going to the extent of changing my TCM from the 01 OS to an 03-05 OS with no success.

    Tony I will try your tune tonight without changing the VIN and hopefully it will work.
    2002 Chevy Duramax with a few supporting mods.

  7. #7
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    Well no luck it didn't work.
    2002 Chevy Duramax with a few supporting mods.

  8. #8
    Lifetime Member GMC-2002-Dmax's Avatar
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    You have to use a 2002 vin in the ecm. A 2001 vin with that OS will never work
    www.mscservices.net


    Tuner of many, many Duramax and Cummins Diesels.


  9. #9
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    I used the tune you supplied and nothing. Then I found my old old stock tune from my old 02 and nothing. Then I found an 03 stock tune and still nothing.
    2002 Chevy Duramax with a few supporting mods.

  10. #10
    Lifetime Member Mitco39's Avatar
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    For what its worth, I tried every combination to get the 6006 to go through with nothing to show for it. I ended up using the 3376OS and running the 01 VIN. I was able to get the truck settled down and working fine with that OS.

    The Vin used to work I think, but since Edge updated their units it no longer works.



    Let me know if that one works for you.

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