to all that have a bump in first gear start out , that can t get the prob fixed , i can t believe that anyone in the last 10 years hasn t figured it out , the jeep has a trans prob , that is linked to the pcm, $500 bucks from the " fair dealer " , 5 days to get a rebuilt one ....... helloooo....... If they rebuild them doent that mean somethins wrong with them ???? im going back to the horse and cart tech , dealers can stay stupid and go broke for all i care .....................