NHTSA (USA)Critical
Defect
Ford Motor Company (Ford) is recalling certain 2020 Super Duty F-250, F-350, F-450, and F-550 vehicles equipped with 6.7L diesel engines. A washer within the vehicle's transmission can disintegrate, causing metallic debris to become lodged in the 'Park' mechanism.
Safety Risk
Debris lodged within the 'Park' mechanism may prevent the vehicle from achieving or holding 'Park,' increasing the risk of a vehicle rollaway and a crash.
Remedy
Dealers will replace a gearset within the transmission, free of charge. Owner notification letters were mailed on April 19, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S22.
23,165 vehicles affectedMfr ref: 22S22Updated May 25, 2026