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Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
  1. DonRam240

    Best diagnostic scanner for 4th gen Cummins 3500?

    I have an Aisin transmission diagnostic question related to the "4th gear only" Limp Mode occurring when heavy hauling in hot weather, 2018 Ram 3500 Cummins 6.7 with Aisin. It has been diagnosed and repaired once using codes read by my dealer right after the truck was brought in, displaying the...
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