NHTSA (USA)High Risk
2021 FORD F-150NHTSA Campaign #21V533000
The official notice
Defect
Ford Motor Company (Ford) is recalling certain 2021 F-150 vehicles. The electronic brake booster may leak brake fluid into the electronic control unit, which could result in reduced braking performance.
Safety Risk
Reduced braking performance can increase the risk of a crash.
Remedy
Dealers will replace the electronic brake booster assembly, free of charge. Owner notification letters were mailed on July 28, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S33.
56 vehicles affectedMfr ref: 21S33Updated June 10, 2026