Mine used to do this occasionally under the same circumstances, especially when driving it hard. I finally figured out that it was due to the transmission fluid being slightly overfilled and maybe frothing and overheating? I drained a bit of fluid from the cooler line and that took care of it for many years. The only occurrence since then was at the top of Vail Pass at 10,666 ft with the pedal to the floor trying to maintain the speed limit (low octane gas, ethanol and altitude have conspired to rob me of a lot of HP). I had to pull over into the emergency truck lane but it was fine after I turned it off and back on. I didn't even wait more than a few seconds. It was embarrassing (and terrifying) having all the big rigs blow right past me and the family at 80 mph though. (This was also in the summer after driving hard for a few hours in 90+ degree heat) Sent from my SM-G998U using Tapatalk
