The contact owns a 2010 Jaguar XF. The contact stated while driving at an undisclosed speed, there was an abnormal fuel odor inside the vehicle. There was no warning light illuminated. The contact stated that the fuel odor was more evident while the A/C unit was activated. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact stated that the fuel cap was replaced; however, the failure reoccurred. The manufacturer was made aware of the failure. The contact referenced NHTSA Campaign Number: 12V521000 (Fuel System, Gasoline); as a possible cause for the failure; however, the VIN was not included. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was 160,000.