2021 Ford F-150 Brake Booster Recall 21V533000
Ford has issued a safety recall (NHTSA ID: 21V533000, Ford Recall: 21S33) for certain 2021 F-150 vehicles. The electronic brake booster may leak brake fluid into the electronic control unit, leading to reduced braking performance and an increased risk of a crash. Owners will be notified and…

Why this matters
Ford Motor Company has identified a critical safety concern affecting certain 2021 F-150 vehicles. A defect in the electronic brake booster could lead to brake fluid leaking into the electronic control unit (ECU). This issue can severely compromise the vehicle's braking capability, resulting in reduced braking performance. Such a reduction in braking effectiveness significantly increases the risk of a crash, posing a serious safety hazard to vehicle occupants and others on the road.
What's being recalled
This recall, identified by NHTSA ID 21V533000 and Ford's internal number 21S33, specifically targets the electronic brake booster assembly in certain 2021 Ford F-150 vehicles. The problem stems from the possibility of brake fluid leaking from the booster into its integrated electronic control unit. This internal leak can directly impair the functionality of the braking system.
How to check if your vehicle is affected
Owners of affected 2021 Ford F-150 vehicles were mailed notification letters starting July 28, 2021. If you own a 2021 Ford F-150 and have not received a letter but are concerned, you can contact Ford customer service directly at 1-866-436-7332. You can also visit www.nhtsa.gov and use your Vehicle Identification Number (VIN) to check for open recalls.
Manufacturer's remedy
To address this safety concern, Ford dealers will replace the electronic brake booster assembly in affected 2021 Ford F-150 vehicles. This repair will be performed free of charge to the owner. Ford encourages all owners of potentially affected vehicles to schedule this essential service as soon as possible to ensure their vehicle's safety.
Important warnings
Owners should be aware that reduced braking performance can occur without warning if the electronic brake booster leaks. If you notice any changes in your vehicle's braking feel or performance, it is crucial to have it inspected immediately by a qualified service center.
Source: NHTSA Recall ID: 21V533000
Frequently Asked Questions
- What is the 2021 Ford F-150 brake booster recall about?
- The 2021 Ford F-150 brake booster recall (NHTSA ID: 21V533000) addresses a defect where the electronic brake booster may leak brake fluid into the electronic control unit, potentially leading to reduced braking performance.
- What are the potential consequences of the brake booster issue?
- Reduced braking performance is the primary consequence, which can increase the risk of a crash. This makes the 2021 Ford F-150 brake booster recall a critical safety matter.
- How will Ford fix the electronic brake booster problem?
- Ford dealers will replace the electronic brake booster assembly free of charge. Owners were notified by mail, and they can contact Ford customer service or their local dealer to schedule the repair.
- What is Ford's recall number for this issue?
- Ford's internal number for this recall is 21S33, which corresponds to NHTSA Recall ID 21V533000.
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