Hard shifting, revving of the engine, trouble

Is it over filled?

You cold try cleaning the valve body

I guess you have a modulator,is that
leaking fluid,pull of vacuum hose & check

Really !!!

You have no idea after all those issues that the
transmission is completely worn out?

If it had any chance of repair, you rode it to it's
grave knowing you could hear & feel things

Those are known for transmission problems. I would change the fluid and filter in the transmission. Also I would put 2 quarts of Lucas Transmission Treatment in it and if its not too late that should make it last a little longer, I am sure it will eventually start slipping worse and then start slipping in all gears but with Lucas you might get another couple years out of it depending on how hard you are on it. Sorry its not better news but I am a mechanic and I work on 6-8 dodge trucks a month and 1 or 2 will be showing sighns that the transmission is slipping. One way to tell if it is slipping is to pull the trans dipstick when its warm and you have driven a few miles and see if there are a lot of air bubbles on it. If there are, its slipping.

If you are using your defroster that I am sure in this weather, the computer increase the RPM to compensate for the load created by the compressor.

The symptoms for those people who haven't do the recall is hard shifting and no start condition. check engine light with codes p2716,p600, p607

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I would begin by replacing the filter if its not new, 2 possibility of issue, faulty shifting module or defective transmission rebuilt. just because it has been rebuilt does not mean the individual work on it did a good job. the less cost effective way is to locate used modulator from ebay or junk yard, if that does not rectified the issue than more likely it will be the tranny. the bad part is that I dont know of a company offer a bench test for the tranny modulator.

thottle positioning sensor? if trans has overdrive could be a lock up piece, dont remember name of it. there is a lucas oil product that might help. if it is the overdrive.

If the car rev'd up but did not speed up at the same time the clutch is starting to slip. Check the adjustment and recheck driving. When the clutch starts to wear this is how they act, only most people ignore whats happening and keep driving till adjustments won't fix it and the clutch has to be replaced. Have adjustment checked and keep an eye on it and hopefullty you won't need a clutch yet.

hi if its just second to thrid then the clutch is slipping on thrid gear look at the boxes oil level is important but look at the colour is it red and tranperant as this is ok if its brown its a sign of the clutches slipping i would try a stall test on thrid gear first and if its ok second gear [manually] see is the engine stalls at the correct rpm if you thinkabout it imagine you are in thrid gear in a manuual box and suddenly drop into second it would be hard shifting it could also be a faulty thrid gear solenoid yates210456

The blinking overdrive button is telling u that a serious fault has occurred in the electronic controls or a mechanical fault such as excess slippage is occurring.

Check for trans codes then I would suggest a fluid change if there are no trouble codes, many times these kinds of problems are caused by a little piece of dirt causing a shift solenoid to stick.