TSB: Some 2015 ? 2017 model year NX 200t and 2016 ? 2017 model year GS 200t, IS 200t, and RC 200t vehicles equipped with the 8AR engine may exhibit a rocking (forward and back) sensation that can be felt between 30 and 70 mph under steady moderate/high throttle input. Follow the Repair Procedure in this bulletin to address this condition.
