17 F150 V8 , 6R80 126k km / 78 k Mile. 10% towing up to 7000 lbs max.
No codes on transmission , trans oil (Mercon lv) / filter ( OEM ) changed twice ( 30k ,60 k miles ) . I have vibration when accelerating , they mostly disappear when I take foot off accelerate pedal, still can feel them but...