Spn 1327 fmi31, truck shaking at high RPM

[medseg2003]

Good morning everyone, i have 2013 cascadia cummins 2250. Today while driving malfunction light came on with spn 1327 fmi31,i notice in high Rpm i feel shaking in steering wheel and on my accelerator. Less shaking under 65mph .above 65 mph shakes stronger.i also notice lately truck takes more than normal to pick-up speed when shifting between gears. Truck has 564k miles on it. Please help thanks!