transmission failure

I’ve got a 2019 ram 3500 Laramie with the Aisin transmission with 45.5k miles on it. Drove it one morning to my workshop and parked it there for about 10 hours. It drove fine but I noticed shifts were slightly rough/sluggish. Didn’t think anything about it and 10 hours later started it back up...

I purchased a 2022 2500 diesel for my business, new from the plant. The truck only has 14k miles on it right now. Within the first few months there was a transmission issue, we took it to local dealership, and it was fixed under warranty (after many, many months due to the nationwide part list...