hey sup man i had the same porblem with my car but mine was at 52k so ye i ended up changing the whole tranny for 1700 get the diagonstics bye 2 or 3 other shops and see what codes it reads if it acctualy is any of the shifttin solenoids or any sensors let me know which one is bad cuz i got plenty of them and i will give you a good deal on them. don't worry too much everythnig will be fine.