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Thread: PCM Identification and related flashing questions

  1. 10-14-2010 #1
    hirdlej
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    PCM Identification and related flashing questions

    Ok, so I just bought 2 credits to tune my 2008 chevrolet Impala 3.5L V6. I just have a couple of questions before touching anything. First of all, how can I tell what PCM this car uses? Secondly, when writing to the PCM, does this car have the type of PCM where I can write calibration only or do I have to do a "write entire" everytime I reflash it? I just don't want to be frying a PCM since it's still under warranty. Oh and does this PCM have the current GM technology built into it where the dealer can tell if it's been reprogrammed? That's it for now! Thanks guys! Attached is a stock copy of the tune if that helps.
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  2. 10-14-2010 #2
    Bill@HPTuners
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    a. calibration details window
    b. You have an E38 pcm which does not require a write entire
    c. E67's no longer require a write entire as of the newest beta software
    d. as far as remembering the tune if you tune your vehicle be ready to pay to play if you tune your vehicle just assume the dealer knows.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"
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