2004 chrysler sebring 4 cyl

VEHICLE FALLS OUT OF GEER ON SHARP TURNS AND ABRUPT STOPS – WILL NOT GO INTO GEER WHEN TEMP IS UNDER 60 DEGREES WITHOUT EXTENSIVE WARM UP – HAVE TO RACE ENGINE FEW TIMES TO GET TO POP BACK INTO GEER – MAJOR PROBLEM?? EXPENSIVE TO FIX OR IS IT JUST SOMESORT OF SENSOR PROBLEM?