Unknown. This vehicle when driving and come to a complete stop will jerk forward. It has been to 2 different ford dealerships to assist with this issue and has been "covered" under transmission control module recall and reprogrammed as per their invoices, but has not fixed the issue. It is currently at the 2nd dealership while they are furthering this inspection.

Source: NHTSA complaint ODI #11764763 · view all complaints for this vehicle at nhtsa.gov

The contact owns a 2021 Ford F-450 SD. The contact stated while the vehicle was parked on the side of the road, the driver attempted to start the vehicle, but the vehicle failed to restart. The vehicle was towed to the dealer, where it was diagnosed that the battery junction box harness had failed. The dealer replaced the battery junction box harness assembly, engine module, fuse junction box, and the wiring assembly needed to be replaced. The vehicle was repaired. The contact related the failure to TSB Number: 20-2298. The manufacturer was notified of the failure and a case was opened. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was 124,483.

Source: NHTSA complaint ODI #11602615 · view all complaints for this vehicle at nhtsa.gov

The contact owned a 2021 Ford F-450 Super Duty. The contact stated that while driving 35 MPH on an 8 percent decline and pulling a trailer, the vehicle slightly responded upon depressing the brake pedal. Additionally, the transmission failed to downshift and was stuck in 10th gear. The contact pumped the brakes; however, the failure persisted. The contact drove into the shoulder of the roadway, and the vehicle was able to stop. The contact noticed smoke, and upon inspecting underneath the vehicle, the contact noticed that the rear brakes were on fire. The contact was able to extinguish the fire with a fire extinguisher. There was no injury sustained. The vehicle was towed to the residence of the contact's friend, where the trailer was detached from the vehicle. The vehicle was driven to the dealer, where it was test-driven, and the contact was informed that no failure was found. The vehicle was taken back to the residence of the contact's friend. The contact stated that upon depressing the brake pedal to start the vehicle, the brake pedal travelled all the way to the floorboard. The vehicle was taken back to the dealer and traded for another vehicle. The vehicle was being repaired. The manufacturer was notified of the failure and referred the contact to the dealer for assistance. The failure mileage was approximately 78,000.

Source: NHTSA complaint ODI #11687296 · view all complaints for this vehicle at nhtsa.gov

My F-450 has had the tailgate recall 19S48 completed. However, this did not correct the problem and the tailgate still unlatches and extends without warning while driving. In this latest incident, a cargo trailer I was towing was severely damaged as a result.

Source: NHTSA complaint ODI #11527528 · view all complaints for this vehicle at nhtsa.gov

Failure of a $70 thermocouple sensor in the air conditioning unit requires replacement of the entire evaporative cooler, which requires removal and reinstallation of the entire dash from the vehicle. This should be a part serviceable without such extensive work.

Source: NHTSA complaint ODI #11742943 · view all complaints for this vehicle at nhtsa.gov