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  1. S

    Need some help

    Will any good tcm work by just swapping it or will it have to be flashed to the truck?
  2. S

    Need some help

    I have an 09 2500 duramax and I'm having some issues. I was driving it*a few days ago and the service engine light as well as the service stabilitrak light came on. The the line under the gear display also disappeared and it appeared to be stuck in 3rd and was rough when putting it into reverse...