Subframe/mounting Bracket problems of the 2017 Chrysler Pacifica

The contact owns a 2017 Chrysler Pacifica. The vehicle was modified for wheelchair accessibility. The contact stated that while driving at 45 mph, the vehicle started rocking abnormally. The contact stated that further down the road, the vehicle drove over imperfections in the roadway and started rocking excessively. The contact stated that the body of the vehicle was rocking on the frame. There was no warning light illuminated. The vehicle was taken to an independent mechanic to be diagnosed, and the contact was informed that the rear spindle mount was faulty and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 61,300.