TL* THE CONTACT OWNS A 2015 LAND ROVER RANGE ROVER. WHILE MAKING A TURN AT APPROXIMATELY 15 MPH, THE REAR PASSENGER DOOR UNLATCHED INDEPENDENTLY. THE CONTACT'S NINE MONTH OLD CHILD WAS SEATED IN THE REAR OF THE VEHICLE CLOSEST TO THE DOOR. ANOTHER PASSENGER WAS SEATED ON THE REAR DRIVER'S SIDE AND QUICKLY REACHED OVER THE CHILD'S CAR SEAT TO KEEP THE CHILD FROM FALLING FROM THE MOVING VEHICLE. AS A RESULT, THE PASSENGER SUSTAINED FRACTURED RIBS. MEDICAL ATTENTION WAS REQUIRED. THE CONTACT MENTIONED THAT THE DOOR WAS TIGHTLY SECURED PRIOR TO THE RELEASE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE SOFTWARE WAS UPDATED AND LOCK WAS REPLACED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V385000 (LATCHES/LOCKS/LINKAGES). THE VEHICLE PRODUCTION DATE WAS MARCH 14, 2015; HOWEVER, THE AFFECTED VEHICLE'S MANUFACTURED DATE ONLY EXTENDED TO MARCH 9, 2015. ON A SEPARATE OCCASION, THE INSTRUMENT PANEL LIGHTING DIMMED WHILE DRIVING AT NIGHT. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 7,000.