2021 Ford Bronco Sport: brake failure

Filed Jan 29, 2026 · Brakes, Electrical · WA

Since my car hit 40000 miles it has had nothing but issues. I've had it in the shop at least 10 times. My brakes went out while driving with my [XXX] old, I've had loss of power, smell of exhaust in the cabin for the last 3 months and dealership says it can't be fixed, yesterday I had complete engine failure while on the freeway. Stalled and wouldn't start back up for 5 min. The dealership has never fully fixed anything but has only updated the computer system. I feel very unsafe in this vehicle. We still owe on this vehicle so trading it in is not an option since its not even worth the down payment I put down. It has a fuel injector recall that can't be fixed yet due to not having the parts available. What are we suppose to do if we can't drive the vehicle and can't buy a new one. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Dec 30, 2025 · Electrical, Transmission · 53,000 miles · TX

The contact owns a 2021 Ford Bronco Sport. The contact received notifications of the federal safety agency Campaign Numbers: 25V019000 (Electrical System) and 25V467000 (Fuel System, Gasoline). The contact stated that while stopped at a traffic light, there was an abnormal sound coming from underneath the passenger-side of the vehicle, and the vehicle stalled. No warning lights were illuminated. The contact stated that approximately a minute later, the vehicle restarted independently. The contact stated that upon shifting to drive(D) and depressing the accelerator pedal, the vehicle failed to accelerate. The contact shifted to reverse(R), and the vehicle accelerated forward unintendedly. No warning lights were illuminated. The contact test-drove the vehicle in a parking lot, and the failure persisted. The contact stated that while the hand brake was off, the brakes failed to function and seized. The vehicle was towed to the residence, where the contact test-drove the vehicle, and the vehicle operated as intended. However, the contact was concerned about the failure, and the vehicle was towed to the dealer, where the recall repair of the 12-volt battery was completed, and the PCM software update were performed. Additionally, the contact was informed that the DTC codes found indicated that the transmission had failed. The transmission was not repaired due to cost. The contact picked up the vehicle and drove the vehicle back to the residence with no issues. The contact stated that the battery failed to function as intended, and the vehicle failed to start two days later . The contact stated that upon starting the vehicle on a separate occasion, the message "Parking Not Available" was displayed. In addition, the contact stated that the vehicle briefly lost motive power before slamming into gear while driving. The contact stated that the vehicle was taken to the mechanic shop of the previous owner for inspection most recently. The previous owner repaired the rear differentials; however, the failure persisted. The check engine warning li

Filed Nov 12, 2025 · Brakes · TX

On November 11, 2025, my 2021 Ford Bronco Sport experienced a complete brake system failure while driving. The brake pedal suddenly became extremely hard, and there was no braking power at all. The vehicle had to be stopped using the parking brake. This same issue occurred previously in July 2025, when the brake vacuum booster failed and was replaced at the Ford dealership. The problem has now recurred less than six months later. The vehicle is not safe to drive and is available for inspection upon request. My safety and the safety of others were put at risk because the brakes failed completely without warning while the vehicle was in motion. If traffic conditions had been heavier, a collision could have occurred. The issue has not yet been confirmed by the dealership for this most recent occurrence, but the same Ford dealer that repaired it in July handled the prior failure. The vehicle will be towed there again for inspection. No warning lamps or dashboard messages appeared before or during either failure. The only symptom was a sudden loss of brake assist and a hard, unresponsive brake pedal. This appears to be a repeated failure of the brake vacuum or brake assist system, which I understand has been part of a previous Ford recall (21C31) affecting 2021 Bronco Sport models. But my VIN number was not included in the Recall. This is my second reporting and needs to be recalled.

Filed Aug 19, 2025 · Brakes · TX

While driving, the brake pedal suddenly required extreme pressure to stop the vehicle safely. I pulled over and parked in a parking lot. Upon opening the hood, I heard a hissing sound. During inspection, I found that the brake booster vacuum hose had broken at the check valve connection near the brake fluid reservoir. A temporary fix restored brake assistance. With the resulting significant loss of brake assist, I was forced to apply near full body weight on the brake pedal to slow and stop the vehicle. This could have easily resulted in a serious crash if traffic conditions were different. The issue has not yet been inspected by a dealer or any others, but the vehicle and the failed component are available for inspection upon request. No warning signs, symptoms, or lights were experienced or observed before the hose failure.

Filed Oct 31, 2024 · Brakes · OH

Brakes Made loud squeaks noise when in reverse. Have taken into dealer multiple times and not fixed. They say an issue with Bronco Sports but my vin does not show on recall. Worried about brake failures or issues that could arise. They replaced front rotors and deglazed pads. Spent 462.19 and problem never fixed.

Filed Apr 25, 2023 · Brakes · PA

When going backwards and applying rear brakes a horn like sound comes from rear brakes. Sounds like a boat or fog horn. Vehicle has been at ford dealer 6 times. TSB fix did not work and gel on brakes did not work. Ford refuses to fix this problem.

Filed Aug 27, 2022 · Acceleration, Brakes · GA

Traveling with cruise control set at 78mph. Service engine light came on without warning and vehicle couldn’t maintain speed. Exited highway to determine what was wrong. Pulled into gas station parking lot and the power brakes failed. The vehicle had two recalls for brakes serviced on 7/7/22. The vehicle is being towed to a dealership as the vehicle had less than 12,400 miles and has been owned less than one year. Any/all components available for inspection. If driver had not had wherewithal to exit highway when they did, there certainly could have been a fatality incident.

Filed Jan 29, 2022 · Brakes, Driver assistance · MO · crash

Both interior liftgate lights inoperative. However, the "liftgate ajar light", and came on without warning as I was driving. I had not opened the litigate. Radio system skips & pops. fails to load tor loads slowly. Brakes failed to fully engage quickly on a slow turn, causing a total loss accident. Vehicle has 645 miles on it. I love my Bronco Sport. But..is it safe to drive if I order a new one? Can there be a cross check done by VIN to ensure I'm not getting one with the same problem? Specifically, the brakes? The brake issue worries me Please advise. Thank you for your help. Sincerely, [XXX]. Vehicle purchased at Pundmann Ford, Saint Charles. Mo. 63301 on 12/3/2021 [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

Filed Jan 7, 2022 · Brakes · 9,000 miles · OK · crash · 1 injury

The contact owns a 2021 Ford Bronco Sport. The contact received notification of the federal safety agency 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.