Check or replace axles, worn axles are primary source of shaking when accelerating.
There is no minimum vehicle speed. It goes off of acceleration or deceleration in the crash.
Whatever component that it drives is probably locking up.
Dodge Caravan was created in 1984.
The Dodge Caravan didn't exist until 1984.The Dodge Caravan didn't exist until 1984.
no
No
The noise can be comming from the weather stripping around the door, the wind passing past the antenna or from the wind around the luggage rack on acceleration.
NoNo
No.
NO
A 2005 Dodge Caravan does not have a manometer.
No.