I was pulling into my spot at work and the power steering assist light and pre collision assist lights cam on along with advance trac. At this point I had no power steering. Luckily I was basically stopped. I cycled the key on and off twice and it finally went back to normal. Then later that same day I started the truck up and proceeded to leave from work and the seatbelt restraint light, abs system, and tpms stopped working and I was notified of the faults via ford pass. The lights then went away right after. I have a service apt 9/29 at the dealer to see what is going on but I’d like to get this documented in case it becomes a recurring issue. Thanks
2021 Ford F-150 brakes complaints
Page 4 of 4: complaints 71 to 77 of 77, newest first, as owners wrote them.
On multiple occasions my ABS system doesn’t work (no collision assist fault and ABS fault comes on). Brakes don’t work without great force when this happens. Ford service saw the errors in history but said couldn’t fix / find current issue. This is intermittent so active fault lights and issue come and go. Dangerous condition that Ford isn’t addressing!
The contact owns a 2021 Ford F-150. The contact stated that from the time the vehicle was delivered to him, the brake pedal had been making abnormal loud clicking sounds when depressed. The contact also stated that the brake booster had been making abnormal sounds whenever he depressed the brake pedal. The contact stated that the failures would occur while driving above 15-20 MPH. There were no warning lights illuminated. The vehicle was taken to the dealer who diagnosed that the brake pedal needed to be replaced. The contact stated that the vehicle was repaired however, the failure persisted. The vehicle was taken back to the same dealer who diagnosed that the brake booster assembly needed to be replaced. The vehicle was repaired; however, the failure had been reoccurring while driving. The vehicle was taken back to the same dealer who informed the contact that they could not determine the cause of the failure. The contact referenced the federal safety agency Campaign Number: 21V533000 (Service Brakes, Hydraulic). The manufacturer was notified of the failure and referred the contact to the dealer for diagnostic testing. The vehicle was not repaired. The approximate failure mileage was 100.
The contact owns a 2021 Ford F-150. The contact stated that the brakes failed on two separate occasions. The first failure occurred while the contact was driving at an undisclosed speed on the highway. Several unknown warning lights were flashing however, the warning lights self-adjusted. The second time the failure recurred, the vehicle was parked. While attempting to start-up the vehicle, several unknown warning lights illuminated. After the failure, while driving 5 mph, the brake pedal was depressed and went to the floorboard. The ABS activated and the vehicle came to an abrupt stop. The vehicle was taken to the dealer and diagnosed that the trailer brake module had failed. The vehicle was repaired but remained at the dealer. The manufacturer was made aware of the failure. The failure mileage was 2,900.
Antilock brake fault Hill start assist warning Pre collision assist not available
While attempting to drive the vehicle out of the driveway the brake pedal and went all the way to the floor and the vehicle would not stop. Then, after approximately 10 to 15 feet the brakes locked up completely. The ABS fault light, hill descent control not available light, and pre-collision assist not available light all were flashing on the dash. The vehicle was towed to the dealership. The dealership was able to confirm the issue and has determined that there was an issue with the brake booster.
Tl* the contact owns a 2021 ford f-150. The contact stated that while driving approximately 30 MPH, the brake pedal extended to the floor while attempting to stop the vehicle. During the failure, the front brakes failed to activate and the rear brakes were delayed in activating, causing the stopping distance to be extended. The ABS warning light was illuminated. Several messages displayed on the instrument panel alerted the driver that the hill assist, collision avoidance, and drive mode functions were inoperable. The vehicle was towed to jim burke ford located at 2001 oak st, bakersfield, ca 93301 to be diagnosed. The contact was informed that the electronic brake booster was faulty. The brake booster was replaced, the brake module was updated, and the failure was remedied. The manufacturer was notified of the failures. The failure mileage was 660.
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