Originally Posted by lweford

Don't rule out the possibility that it could be the torque converter slipping since you say it is noticeable going up inclines. My 2015's torque converter started doing this at around 32000 miles after I reset the adaptive learning on the transmission. Don't ask me why but it only started after the adaptive learning was reset. I had to have a friction modifier added and a full trans flush and fill and have had no further problems. I will say that the torque converter slipping felt just like a misfire. Might not be your problem but something to think about.