TL* THE CONTACT OWNS A 2014 JEEP GRAND CHEROKEE. THE CONTACT STATED THAT THE VEHICLE SHIFTED WITHOUT WARNING. ADDITIONALLY, WHILE DRIVING, THE VEHICLE HESITATED, STALLED, AND SMOKE EMERGED FROM THE TAILPIPE. THE VEHICLE WAS TAKEN TO CAITILIN CHRYSLER DODGE JEEP RAM (140 OLD YORK RD, JENKINTOWN, PA 19046), BUT THE DEALER COULD NOT DUPLICATE THE FAILURE AFTER DRIVING THE VEHICLE FOR 20 MILES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 33,453.