Recent content by winn.northernnevada.ken

  1. W

    Truck lost communication with TCM.

    My 2008 Chev Duramax 6.6L with Allison Trans is stuck in 2nd or 3rd gear. My superchip that I use to read DTC's comes up with " lost comm with TCM" I have another TCM from same year, make & model...do I need to program it some how ? Need help.