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Thread: 13' Cummins tune locked??

  1. #1
    Junior Member
    Join Date
    Mar 2020
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    11

    Default 13' Cummins tune locked??

    For some reason when I open the tune tool I can't get the tab to the left that says internal flash to open? So I can't adjust any parameters? Anyone seen this before?

  2. #2
    Lifetime Member GMC-2002-Dmax's Avatar
    Join Date
    Dec 2005
    Posts
    1,294

    Default

    Open it with V8 Scan and Tune, if a permissions window appears with restrictions then its LOCKED for sure and you cannot edit it
    www.mscservices.net


    Tuner of many, many Duramax and Cummins Diesels.


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