The contact owns a 2022 Chevrolet Silverado 2500. The contact stated while driving at an undisclosed speed, the tailgate was independently unlatched. The contact stopped and parked the vehicle. The contact stated that the tailgate opened and closed independently. The vehicle was taken to the dealer where it was diagnosed with a tailgate module failure. The contact was informed that the tailgate module needed to be replaced. The vehicle was repaired. The failure reoccurred two months after the repair. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 67,500.