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  1. D

    Truck doesn't go into gear

    I have
  2. D

    Truck doesn't go into gear

    That's the internal filter right?
  3. D

    Truck doesn't go into gear

    Yes I did and checked all the wiring the dealership I took it to to get tcm flashed look over the wiring as well and didn't see any problems
  4. D

    Truck doesn't go into gear

    I can get the truck to move but once I do I can't go far and it will just quit moving and the gear selection flashes but truck won't move unless I cycle the key a few times
  5. D

    Truck doesn't go into gear

    Snap on Ethos, the check engine light doesn't even come on
  6. D

    Truck doesn't go into gear

    The truck doesn't set any codes
  7. D

    Truck doesn't go into gear

    I have a 2001 Chevy Duramax has the Allison trans. Wouldn't move the indicator on the dash would just flash so changed the nsbu switch and no difference, had the tcm flashed and reprogrammed and still nothing so I changed the ignition switch and the truck then went into gear but took a few...