NHTSA Complaint #11436751 — 2021 FORD F-150

Driving down a steep mountain road when a passing vehicle tripped the pre collision alarm while vehicle was being braked. The ABS, Traction Control, Brake, and just about all other visual alarms went off and the vehicle lost the brakes. the emergency brake would come on and lock up the rear tires then release rendering the vehicle unable to stop going down the steep road. Vehicle came close to crashing into other vehicles multiple times while trying to come to a stop. Vehicle was brought to a Ford dealership where the issue was verified. Dealer noted no recalls or TSB's on this vehicle. Dealer cleared the faults and test drove the vehicle and said the issue is now gone. Vehicle was in the process of being driven home when another vehicle in front slowed and tripped the pre collision sensor again and again all alarms came on and the brakes were lost. The vehicle in front was almost collided with. Contacted Ford customer service to report the issue. Ford cs said to tow the vehicle to an authorized ford dealership and call back to open a case file. Vehicle is currently at a Ford dealership awaiting service.