transmission codes po741 and p2757

i have a 2011 toyota camry, one day the car started to rev up and sounded like one of the belts came loose off the pulley, it run but the cars rpms were high, it wans't running right, i check the codes and i got a p0741 and a p2757 with my bluedriver code reader, the code po741 on my bluedriver told me that the number one fix that people that encounter this same problem i was having was to Replace their automatic transmission fluid and the oil filter for the transmission, so i did, after this my camry run like a brand new car for about 2 months, i thought i had fix the issue but today my camry isn't moving forward or reverse, it starts and shifts in all the gears but doesn't run, i forgot to mention that when this happen the first time the check engine light came on and stay on also the traction control light came on, i turn them off with my bluedriver and today when my camry stated but does not forward or reverse no lights are on the dashboard, and i don't have a codes, please help any help will be appreaciated