Tl* the contact owns a 2008 dodge 2500 hd. the contact stated that while driving 60 mph over a bump in the road, the vehicle would shake violently. the vehicle was taken to an authorized dealer where they were unable to diagnose the failure. the manufacturer was notified and the contact was awaiting a call back from them. the vehicle was not repaired. in addition, the latch release for the emergency brake would detach and separate from the vehicle. the vehicle was taken to an authorized dealer on numerous occasions where it was repaired, but the failure recurred. the failure mileage was 39,000 and the current mileage was 46,000.