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Thread: Ecu?

  1. 2 Weeks Ago #1
    Gsn000b
    Gsn000b is offline
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    Ecu?

    So weird issue, every time I want to load a new tune into the vehicle I have to unplug the battery and plug it back in or it just times out and won?t load. Also half the times i have loaded a tune the ac controls work fine the other half the ac/defrost/re circulation lights just flash. Any thoughts??? 2003 Chevy 1500hd
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  2. 2 Weeks Ago #2
    bk2life
    bk2life is offline
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    Quote Originally Posted by Gsn000b View Post
    2003 Chevy 1500hd
    those years do all sorts of odd stuff

    i just automatically remove and bench load the tune
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