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Thread: j1850 3 byte Header format

  1. #81
    Tuner in Training
    Join Date
    Jul 2011
    Posts
    10
    Hello Keith, sorry I had a very busy weeks.

    I finally cleared the codes with a friend scantool.



    Keith, it is possible to reprogram the Fan low temp on my Grand Am '99 3.4L V6 using only commands...?

    gauge rises up to 223F and I can't see the fans to turn on. However if I turn on A/C they inmediatly turn on. I would like to have set it say at 180F.

    Could this be possible sending the correct bytes to the Ecm....?
    Last edited by Matrixx; 08-30-2011 at 11:24 AM.