2005 MERCURY SABLE Unknown Or Other Problems

CHECK TRANSMISSION LIGHT ON. SEEING HIGHER RPM BUT NOT SHIFTING HARD. FLUIDS CHECKED - OK. TRANSMISSION CODES P0723 AND P0733 THESE ARE CODES FOR SLIPPING ISSUES. THEY REBUILT THE TRANSMISSION. MILEAGE WAS ONLY 68769 ON CAR.

THIS WAS THE THIRD INCIDENT IN WHICH THE CAR STOPPED ON ME. (ONE OTHER TIME WHEN I WAS LEAVING MY APARTMENT AND ONE WEDNESDAY EVENING ON MY WAY TO BIBLE STUDY; BOTH TIMES HAD TO COAST TO THE ROAD SIDE AND TRY AND GET IT TO START AGAIN). THE THIRD TIME I WAS DRIVING DOWN THE HIGHWAY AT THE SPEED LIMIT OF 40 MPH. THE CAR'S DASH BOARD LITE UP; GAVE ME ONE MESSAGE THAT SAID "LOW PRESSURE. THE STEERING WHEEL LOCKED AND THE GAS PEDAL LOCKED; I WAS ABLE TO COAST TO THE SIDE BEFORE IT COMPLETED LOCKED UP AND STOPPED ONE ME. HAD MY YEAR OLD GRANDSON IN THE CAR WITH ME. I LET THE CAR SIT FOR A WHILE AND WAS ABLE TO GET IT STARTED AGAIN. DROVE IT BACK TO MY APARTMENT AND PARKED IT. HAVE NOT DRIVEN IT SINCE THEN - HAD IT TOWED TO...