The contact owns a 2013 Ford Explorer. The contact stated that his daughter smelled a strong odor of fuel around the vehicle and in the residence while the vehicle was parked in the garage. There was fuel on top of the tank. The contact stated that after raising the vehicle up on a lift, it was determined that there was a leak coming from the fuel tank. There was no indication of fuel on the ground. There were no warning lights illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 15V812000 (Fuel System, Gasoline). The contact called the dealer and was informed that a diagnostic test was needed. The vehicle was not yet diagnosed or repaired. The manufacturer was contacted, but no additional assistance was provided. The failure mileage was approximately 125,000.