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Thread: B2504 doesn't work.

  1. #1
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    Default B2504 doesn't work.

    Other than mucking up the tire circ, how do I set a different from stock differential ratio?

    B2504 doesn't do anything.

    2014 LMLa OS 12645750

  2. #2
    Lifetime Member GMC-2002-Dmax's Avatar
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    Quote Originally Posted by RADustin View Post
    Other than mucking up the tire circ, how do I set a different from stock differential ratio?

    B2504 doesn't do anything.

    2014 LMLa OS 12645750
    There are three other gear ratio values in the code, I have all the missing addresses mapped in my CAX.

    If you send me the stock file I can alter the other three ratios for you, but only the correct one is needed to be altered.

    The one displayed is not the one the ecm references for the ratio.

    Lemme know if I can help.
    www.mscservices.net


    Tuner of many, many Duramax and Cummins Diesels.


  3. #3
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    Many thanks, I should have followed up. Appreciate the offer.

    I mapped the other 3. and the trans and wheel speed pulses.. I was 5 seconds from emailing you though lol.

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