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Thread: Lml tuning 2012 k3500 silverado

  1. 03-03-2025 #1
    circle 17
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    Lml tuning 2012 k3500 silverado

    i have read the ecm and have received(not readable) a stock tune with OS 12644094,it seems it should be OS 12649244. any thoughts?
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  2. 03-10-2025 #2
    JnJSpdShop
    JnJSpdShop is offline
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    You should put the OS that belongs on the truck always. File ramming is bad

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