2021 Ford F-150 · Brakes & vehicle control
Electronic brake booster leak may reduce braking performance
NHTSA campaign 21V533000 lists the 2021 Ford F-150 for a condition in which electronic brake booster leak may reduce braking performance.
What the reviewed source says
Start with the documented condition, not a parts guess.
NHTSA lists the 2021 Ford F-150 in safety campaign 21V533000. The official record says: The electronic brake booster may leak brake fluid into the electronic control unit, which could result in reduced braking performance. The stated safety consequence is: Reduced braking performance can increase the risk of a crash. A make, model and year match does not confirm that a specific VIN is included or that the repair remains open.
Words owners may use
Does this match the moment?
Symptoms in the pattern
- Braking performance may be reduced
- Stopping may require more distance than expected
Vehicles and scope
- 2021 Ford F-150
- Vehicles included in NHTSA campaign 21V533000
- VIN confirmation is required
Manufacturer position
What the official procedure directs
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.
Campaign 21V533000 is based on the recalled vehicle population and VIN, not a published mileage threshold. Mileage alone cannot confirm or exclude it.
Original evidence
Open the documents behind this page.
Repair paths and safe checks
Separate the diagnosis from the action.
Complete recall 21V533000
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.
A year and model match does not confirm VIN eligibility. Do not substitute an owner repair for an open safety recall.
What owners reported
Did this repair fix the same symptom on your car?
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Check the VIN and record what happened
Check the 17-character VIN with NHTSA or Ford. Save campaign 21V533000, any warning messages and a short description of when the symptom occurred for the service appointment.
Do not recreate a dangerous symptom for a photo or video.
What owners reported
Did this repair fix the same symptom on your car?
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Useful before authorizing work
Read the method beside the problem
These guides explain the safety and evidence checks that apply to this problem file.
Check recalls by VIN
A VIN search checks the displayed NHTSA records for an unrepaired safety recall associated with one vehicle. A model search shows only the wider campaign population.
Read guide ↗When a car is unsafe
A warning light does not always mean the same thing, but weak brakes or smoke leave little room for experimentation. Damaged tires and certain recall instructions can do the same.
Read guide ↗Why symptoms overlap
“It makes a weird noise” is useful human language. Diagnosis begins when that language is tied to the exact vehicle and its operating conditions.
Read guide ↗More for this model
Other reviewed Ford F-150 conditions
2021 Ford F-150 · Steering & suspension
Steering control may be reduced
The steering gear may have internal damage, which could result in difficulty steering, or the inability to rotate the steering wheel while driving.
2021 to 2026 Ford F-150 · Electrical & software
Exterior lights may not operate correctly
When towing a trailer, the integrated trailer module (ITRM) may lose communication with the vehicle, possibly causing a loss of brake and turn signal lights, or a loss of brake function.
2018 to 2024 Ford F-150 · Vehicle information
Incorrect safety information or certification label
The air bag warning label may be missing from the dashboard.