VEHICLE WAS SLOWING DOWN FOR A RED LIGHT ON US-23 S NORTH OF COLUMBUS OH. ACCORDING TO MECHANIC, SUBFRAME SNAPPED DUE TO RUST THAT HAD NOT BEEN DETECTED ON PREVIOUS TRIPS TO SHOP. FRONT LEFT CROSS MEMBER DISENGAGED AND THAT CORNER OF THE CAR HIT THE PAVEMENT AT ~30 MPH. HAD WE BEEN TRAVELING AT FULL POSTED SPEED (55 MPH) WHEN SUBFRAME SNAPPED THIS MIGHT HAVE BEEN A FATAL ACCIDENT. CHRYSLER'S RECORDS SAY EXTENDED WARRANTY FOR THIS ISSUE UNDER TSB 23-012-14 ENDED EARLIER THIS YEAR. CHRYSLER ISSUED NO RECALL ON THIS ISSUE DESPITE OBVIOUS SAFETY IMPLICATIONS. CAR WAS PURCHASED USED IN 2012 SO OF COURSE NO NOTIFICATION WAS RECEIVED FROM CHRYSLER WHEN THIS TSB WAS ISSUED IN 2014. WE DEMAND THAT CHRYSLER OWN UP TO THE SEVERITY OF THIS PROBLEM AND PROPERLY COMPENSATE ALL AFFECTED OWNERS. NHTSA NEEDS TO PRESSURE CHRYSLER TO MAKE IT RIGHT IF THEY WANT TO AVOID A CLASS ACTION SUIT.