The contact owns a 2021 Ford F-250. The contact stated that while using the key fob to unlock the doors, the alarm activated. The contact stated that the front driver’s side failed to lock as intended. No warning lights illuminated. The vehicle was taken to the dealer. However, the vehicle was not diagnosed or repaired due to costs. The contact related the failure to TBS: 21-2207. The contact stated that the failure had occurred several times. The manufacturer was made aware of the failure. The failure mileage was approximately 50,000.