I have a 2011 Ram 6.7 Cummins, 275,000 miles. In the past two weeks the Tranny has suddenly stuck in while in gear. I put it in "D", go about 50' & the truck suddenly comes to a stop. The engine revs & wants to move, but will not move. Change to "R" & still will not move. Go to "N" & then "D" & it runs fine. Also, don't know, it feels like it the brakes could be stuck on. I changed the oil in the pan about 2,000 miles ago. Had the previous oil analysed & it was OK.
Thanks in advance to any help
Ron
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