Trans shift issues
2018 MKC, 2.0, 2-wd. with 5k miles. Trans will up shift slow (changing to next gear) like it is slipping sometimes. 3 times it has stayed in 5th. gear (in D, not S mode) to 65 mph when I used the paddle shiftier to make it up shift. It usually shifts into 6th. gear around 46-48 mph, I was on level road and accelerating normal, not fast. Some times when starting from stop it seems to surge while having a steady throttle in 4th or 5th. gears. in a slight up hill grade. I wonder if the throttle position sensor (TPS) has a problem or if the ECM/PCM needs to be re-flashed. Anyone have a suggestion. Also, after pressing a gear selection button, it will take 2 seconds to go in gear. Using S mode to start off then pressing D mode does help throttle response from a stop.