Software updates are available that may help with harsh shifting issues. Software updates are commonly more effective on newer vehicles. It is possible for a mechanical failure to also cause a harsh shifting problem. Whenever mechanical transmission repairs are performed, the software should be checked and updated as necessary.
Software Updates May Help Harsh Shifting on Dodge Caravan
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developed this condition seems like over time. had the trans solenoid pack changed because it was leaking, didn't help but maybe fells more harsh @ times? leak stopped. when it fells harsh 1-2 shift,(shudder) or 3-2 down shift which is actually an idle undershoot and feel. Point is I never remember feeling the veh shift @ all,it was always really smooth. I thougt maybe this is a TPS issue but just don't know? There are No Codes,No Check Engine light and No Trans computer updates or Flashes...