The contact owns a 2015 Ram 1500. The contact stated that while the vehicle was parked, upon inspecting the vehicle, the contact became aware that the metal bar frame was rusted, and the fuel tank had detached from the vehicle. A dealer was contacted. The vehicle was not taken to the dealer to be diagnosed. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 18V160000 (FUEL SYSTEM, GASOLINE); however, the VIN was not included in the recall. The manufacturer was notified of the failure but offered no assistance. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 151,000.