The contact owns a 2007 Nissan Murano. The contact stated while driving at an undisclosed speed, the contact heard an abnormal rumbling sound coming from the rear end of the vehicle. There was no warning light illuminated. The contact pulled over to the side of the road and became aware that the rear subframe of the vehicle was inoperable. The vehicle was towed to an independent mechanic, where it was diagnosed with corrosion on the rear subframe, causing the rear subframe to fail. The contact was informed that the subframe needed to be replaced. The vehicle was not repaired. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 156,000.