94 caravan Limp Mode

SOURCE: 96 grand caravan that shifts hard and goes into

This must be your lucky day, to get an answer back this quick. I am dannydoesita, and I just finished fixing the same problem in my 2002 Chrysler Concorde. The problems are the same for all 42Le a606 transmissions. I will take you trough this repair step by step, but I don't know your capabilities or your desire in tackling this project.
1- Turn ignition on off on off on
2- Codes will come up on your odometer, you can also use a scanner tool if you have one
3- You may have a number of different codes, I had p0700, p0731, p0841,p1776.
4- If you have p1776, then the problem is with your solenoid pack
5- If you wish to go farther I will be able to help you mechanically as well as financially.
6- I will guide you step by step through the take apart process and reassembly
Check everything to this point and get back to me. GOOD LUCK.

SOURCE: 1996 dodge avenger when cold, the transmission go in limp mode

Is the vehicle's Check Engine Light on? It should briefly light up when you turn the key on (before you start the engine) to show that the light is working correctly. Based on what I've read I believe you should have one or more trouble codes. A place like AutoZone will read the trouble codes for you for free, and you can look them up here - http://www.engine-light-help.com/generic-check-engine-light-codes.html

SOURCE: 94 caravan in limp mode sometimes

i have had luck replacing the solenoid packs on these models but i usually had a 12 shift or 23 shift code stored in the tcm controller