Which parts fail
Components named in complaints (service brakes, ABS, rotors and pads, parking brake).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2021 Ford Bronco Sport owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2021 Ford Bronco Sport. The contact received notification of NHTSA Campaign Number: 21V922000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that while reversing at 5 MPH, the brake pedal was stiff while depressed and the brakes failed to engage, causing the contact to crash into a parked vehicle. The contact received medical treatment at the hospital for whiplash and back injuries. No police report was filed. The dealer was made aware of the failure and has possession of the vehicle. The manufacturer was made aware of the failure and was reviewing the buyback. The manufacturer informed the contact not to drive the vehicle and turn it in to the dealer. The failure mileage was approximately 9,000.
The contact owned a 2021 Ford Bronco Sport. The contact stated that while driving at 55 MPH, the vehicle inadvertently drove off the roadway and caught fire. The fire started from the front of the vehicle. The air bags were deployed. The contact sustained a broken hip, injuries to her pelvis, left clavicle, and right rib, as well as a head injury causing a minor brain bleed. Medical attention was received. The fire department arrived on the scene and extinguished the fire. A police report was filed. The contact was unaware if a fire department report had been filed. The vehicle was towed to an unknown location, where it was deemed totaled by the insurance company. The failure mileage was approximately 30,000.
Pre-Collision System warning activated unexpectedly. The vehicle then accelerated by itself unexpectedly and the accelerator/throttle was engaged by itself. Breaks were then hard to push and vertically impossible to slow down. At the time, there was no vehicle or obstruction immediately around the vehicle other than a possible box, or small obstruction in the road. Yes the vehicle is available for inspection upon request. Due to the unexpected activation of the pre-collision system followed by unexpected acceleration by itself, caused the vehicle to move unexpectedly and resulted in a collision with another vehicle, creating a safety risk to the occupants of both vehicles. No. The problem has not yet been reproduced or confirmed by a dealer or independent service center. No. …
this has happened twice to me. First time, I was driving around a roundabout - and the engine kicked off and there were a lot of alerts across the screen. I was safely able to coast off the road and onto the side where I sat for a little bit trying to restart it. After pushing the start button several times - it started back up and I was on my way. Most recently, last week - I was driving on the highway and the engine died and so many alerts were going across the screen. I couldn't pay much attention to the errors because a semi almost rammed my back end. I was on an incline on an off ramp and was trying to coast to the side as much as I could. It was too scary to monitor what was happening on the screen. I sat there trying to restart the Bronco and after several tries - it started back up and I was able to drive away. The Bronco is at the Dealership right now for them to look it over. …
The contact owns a 2021 Ford Bronco Sport. The contact received notification of NHTSA Campaign Number: 25V467000 (Fuel System, Gasoline). The contact stated that while driving on several occasions at various speeds, there was an abnormal gasoline odor inside the vehicle and the vehicle sputtered. The ABS, traction control, engine, seat belt, battery, and other unknown warning lights illuminated, and the messages, "System off to Save Battery - Please turn off to Start Engine", "Charging System Service Now", "Pre-Collision Assist not Available", "Front Camera Temporarily Unavailable", "Service Vehicle Soon", and "Check Brake System" were displayed. The vehicle was taken to a dealer where it was diagnosed and determined that the battery needed to be replaced and the body control module software needed to be updated. The vehicle was repaired, but the failure reoccurred five months later. …
The contact's mother owns a 2021 Ford Bronco Sport. The contact stated that while the vehicle was parked with the engine turned on and the transmission shifter in the park position, the engine began to rev and the vehicle suddenly experienced unintended acceleration and crashed into a brick building. During the incident, the braking system malfunctioned and did not stop the vehicle, and only the driver's side leg air bags were deployed. No other air bags in the vehicle were deployed during the crash. The driver sustained bruising to both legs, a left leg laceration, and a neck injury. The front passenger sustained a neck injury and the rear driver's side passenger sustained a torso bruise from the seat belt. All occupants received medical treatment at the scene. A police report was taken. The vehicle was destroyed and towed away. …
The contact owns a 2021 Ford Bronco Sport. The contact stated that the rear brake was making abnormal squealing sounds while reversing. There were no warning lights illuminated. The vehicle was taken to the dealer who took the rear brake apart and diagnosed that no issues were found. The contact stated that the failure had been reoccurring increasingly and the vehicle was taken back to the dealer approximately 4 to 5 times. The dealer informed the contact that they would not repair the vehicle under NHTSA Campaign Number: 21V922000 (Service Brakes, Hydraulic) because the VIN was not included in the recall. The contact notified the manufacturer of the failure, but the manufacturer did not provide any assistance. A case was opened. The contact followed up with the manufacturer and inquired about a buyback and the manufacturer instead referred the contact to NHTSA for assistance. …
The contact owns a 2021 Ford Bronco Sport. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed and there was a grinding sound coming from the vehicle. The vehicle was taken to the dealer where it was diagnosed that the brake pads needed to be replaced. The vehicle was repaired however, the failure recurred. The contact stated that upon inspecting the vehicle, he noticed that the front driver's and passenger's side tires displayed black dust around the tire tread. The contact then stated that the VIN was previously included in NHTSA Campaign Number: 21V922000 (Service Brakes, Hydraulic). The vehicle was taken to the dealer where the front brake pads were replaced and the disc brake rotor however, the failure recurred. The contact then referenced TSB 22-2326. …
The contact owns a 2021 Ford Bronco Sport. The contact stated while driving at approximately 30 MPH and depressing the brake pedal, the contact heard an abnormal squeal coming from the front brakes. The contact stated he had not observed any warning lights being illuminated. The contact stated that the failure was intermittent but had become more frequent, with the squeal being heard while driving at various speeds and depressing the brake pedal. The contact stated no warning light was illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the front brake rotors needed to be replaced. The vehicle was repaired. The contact stated that the dealer advised that the failure was related to TSB Number: 22-2387; however, he would be responsible to pay for the repair. The manufacturer had been informed of the failure. …
The contact owns a 2021 Ford Bronco Sport. The contact stated that while pulling into her driveway, the brake warning light illuminated and remained on after she had parked the vehicle. The contact stated that the brake warning light illuminated whenever she would start the vehicle. The contact became aware that the vehicle was included in NHTSA Campaign Number: 21V922000 (Service Brakes, Hydraulic) however, the dealer informed the contact that parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact notified the manufacturer of the failure and inquired whether she could trade-in the vehicle, but the manufacturer did not provide any assistance. The vehicle was not repaired. The failure mileage was approximately 5,025. VIN tool confirms parts not available.
Related recalls
Service brakes, hydraulic › Foundation components › Disc › Caliper
Ford Motor Company (Ford) is recalling certain 2021-2022 Bronco Sport and Escape vehicles. The rear brake linings may have been manufactured incorrectly, which can affect braking performance.
Remedy: Dealers will replace the front brake pads, free of charge. Owner notification letters were mailed August 17, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21C31.
Brake complaints in other Bronco Sport years
Frequently asked questions
How common are brake problems on the 2021 Ford Bronco Sport?
NHTSA has 127 complaints about the brakes of the 2021 Ford Bronco Sport, 18% of the model year's 709 complaints. The component named most often is foundation components › disc › rotor (1 mentions).
Is there a recall for 2021 Ford Bronco Sport brake problems?
Yes — NHTSA recall 21V-922 (caliper, Nov 23, 2021). Recall repairs are free at authorized dealers.
At what mileage do 2021 Ford Bronco Sport brake problems start?
Half of the complaints with a recorded mileage happened before about 9,000 miles, and 74% before 25,000 miles.
Is it dangerous?
Owners linked 6 crashes, 1 fire and 5 injuries to brakes problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.