The contact owns a 2017 Ford F-350. The contact stated that the check engine warning light illuminated, and the vehicle was taken to a local dealer to be diagnosed. The contact was informed that the diesel particulate filter was faulty and needed to be replaced. The vehicle was not repaired. The contact referenced Customer Satisfaction Program: 20M06 as the possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 64,000.