Supersedes Technical Service Bulletin Group 44 number 13-42 dated September 27, 2013. Customer feels vibration in the seat, vehicle floor, footwell, pedals, or steering wheel. This condition does not lead to any handling concerns or loss of vehicle control. The customer feels the vibration while driving at highway speeds from 55 - 80 mph (88 - 128 km/h). This bulletin is not applicable if this vehicle has a Repair Authorization on this topic.