TL* THE CONTACT OWNS A 2011 DODGE GRAND CARAVAN. THE CONTACT STATED THAT THE DRIVER SUDDENLY STOPPED THE VEHICLE AND A PASSENGERS HEAD STRUCK A HEAD REST, CAUSING HEADACHES. NEITHER THE DEALER NOR THE MANUFACTURER WERE MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 4,000 AND THE CURRENT MILEAGE WAS 5,000. THE VIN WAS UNAVAILABLE.