The contact owns a 2011 Nissan Titan. The contact stated while driving at an undisclosed speed, there was an abnormal sound coming from the rear end of the vehicle when the vehicle drove over into an object on the roadway. No warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the rear subframe needed to be repaired. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 45,000.