Programming brand new PCM?
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First off, 5.3 LM7 in a 3rd gen. I picked up a brand new pcm for this and obviously a completely new unit has no program or tune in it. Do I need to send it off to someone to put a program in it? Can it be programmed without the car attached?
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FWIW, I'm in the same situation (Gen-IV swap into a 3rdgen w/ a brand-new PCM), & I'll be sending mine to John @ Speartech. I figure that having worked for 20+ yrs as a GM engineer, he just MIGHT have some kind of idea of what he's doing... ![Grin](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_grin.gif)
Hope this helps.
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Hope this helps.