Sorry, just got a big kick out of the statement saying you moved to Florida to escape the "tyranny" of the North only to have to live in a place where you submit your dog's DNA for poop patrol and can't drive the truck you want. "Out of the frying pan and into the fire" I guess.
Love my...
Get the TSB performed for the harsh 1-3 upshift. Made a world of difference on mine and I wouldn't say I had any issues with how it was shifting before.
Did they derate by 2% for every 1000 feet of elevation like the manual states? My guess is they were over the limit at that altitude with a 10k pound trailer.
I ran my camper AC all weekend off the truck. Used this adapter - no issues at all!
https://www.amazon.com/gp/product/B00CXAC5MG/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Selling the stock rubber tray liners from my 2017 as my new one came with them from the factory. I'm in Northern Colorado and I imagine these are pricey to ship. $100