The contact owns a 2025 Honda Odyssey. The contact stated that upon opening the electronic tailgate, the contact noticed 2 inches of water at the bottom of the interior of the trunk. No warning lights were illuminated. The contact stated that a musty odor was emitting from the vehicle. No cause for the failure was found. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact stated that the carpet in the back interior has mold. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 2,500.