700 is general transmission requesting the SES light and 755 is shift solenoid B malfunction. Since the pack was replaced, I would check the resistance in the wiring harness between the TCM and pack. Other than that, it would be a computer error or an internal transmission problem.

 

Get a Haynes manual for your make/model/year vehicle. :thumb:

Become friends with your "Local Wrecking Yard" (HomeDepot for the auto mechanic).
:lol:

You can pick up a FULL harness there, and possibly the TCM, incase you burned it out plugging the fans to it. :jpshakehe :Wow1:

 

If the shop didn't clear the trouble code, it might take a few driving cycles to clear itself. Everything seem fine otherwise?

 

The part was changed on 12/31/08 so about 2wks ago, its not clearing at all : / And yes, everything seems fine other than still in limp mode! I'm going to call junk yards today.

ETA: We do have a Haynes manual, hubby looked through it last night but didnt see anything for the TCM but I looked today and do see some with the TCM on it, just need to find which page the solenoid is on?

 

This site may be of help. Which engine do you have?

For lots of info on your van try this:

Go to http://www.oplin.org/databases/proxy...mber=123456789

Bring up the Library with Hamilton in it. Submit it.

Click on url beginning with "AllEBSCO...."

Go down to ARRC url, click on it.

Click your year and go from there. Have fun.

 

Sent some pdf's, hope they help

 

You may want to check with the mechanic that changed the solenoid pack. A Transaxle Quick Learn Procedure is recommended after, among other things, changing the solenoid pack. This is done with a DRB scan tool. My guess is that this proceedure resets the shift points to their original factory setting as a starting point for the transmission to readapt to your driving style using the newly installed part. Whethter or not the transmission will automatically go to limp mode without this done, I have no idea.

 

I called the transmission shop and they said they didnt have the computer do reprogram it that only a dealership can do that, then got into an argument with the guy about if the solenoid pack was broke to begin with (I dont believe it was) Then he went on to tell me how they can hook up directly to the solenoid pack They told me it was more of a change the part and see if it fixed it the day I took it up there!! This place USE to be pretty honest but I've now seen the light!

Which I understand they need to make $$ too but I explained to them before they even popped the hood that my DH had wired into there and possibly messed something up but they assured me a brand new solenoid would fix the whole problem but when it didnt they certainly asked for all the $$!

 

Interesting they can plug directly into the solenoid...

Have you tried calling a Dealer to see if they can diagnose the TCM excluding the wire harness (plug directly into) and the solenoid excluding the wire harness (yes...)? One of the three arn't working right. If diagnostics can be plugged directly into each unit, you'll eliminate the harness from testing. If each unit tests ok, it's the harness. The section of harness affected by splicing (ie wires from the TCM to the solenoid) can be rewired.

If the spliced wires run from the pack to the TCM, it seems most likely a TCM-got-screwed issue.

 

Jeepman the url takes me to a "Page cannot be found" looks like you/whoever linked it, was logged in as a member at the time of copying the url

friscovoyager Hubby is testing the wires right now, *crossing fingers it works*

 

Sorry. The link got messed up ... too many copy and pastes, I think. Try this link and try the same process as listed previously:
http://www.oplin.org/databases/proxy2/proxy.php?doCardCheck=1&txtCardNumber=123456789

This site, Post #4 by master tech (his Posts are good) may be of help:
http://dodgeforum.com/forum/dodge-c...an/106218-2002-dodge-grand-caravan-tranny-problems-p0755-p0700-p0731-p0733.html

Also this site:
http://forum.doityourself.com/autom...ce-repairs/312264-2001-dodge-grand-carravan-engine-light-codes-p0700-p0755.html

 

Hubby checked all the wires and it doesnt appear to be the wiring harness. He's going to post tomorrow about what he did and what he found because I really have no clue. I know a relay on the drivers side (in the fuse box) wasnt reading the right volts. Urgh why does it feel like chasing a rat down? :lol:

Oh, if its the TCM, is this best to buy new, rebuilt or junk yard? I'd like to keep this van for as long as possible, dont want to get a new one until we can save up the $$, would like for it to last at least another year! So I'm kinda afraid to buy junk yard then have it go out a few months down the road so maybe rebuilt? or new?

Anyone buy from this site? http://www.autocomputerexchange.com/Product/718

 

Its staying the night at the dealership, hope to have a working van in the morning!

 

Perhaps all those other Chrysler products in there will give it a pep talk. :lol:

Seriously, good luck and success with the repair. :thumb:

 

Urgh turned out to be the TCM! It was $400 installed so I cant complain...PLUS they fixed my brake light (see other post) it was a recall issue! ... BUT they broke my speedometer

 

Urgh turned out to be the TCM! It was $400 installed...

Crap. Sounds like I may be in the same situation. Our 2001 T&C went into limp mode with P0700 code. I did some research online and narrowed it down to a most likely failed transmission solenoid (an educated guess, just like your shop made). So I ordered a replacement and did the repair myself. That didn't fix the problem, so I replaced the input speed sensor, even though I had my doubts. Still no fix. So I am planning to take it to a transmission shop to have the codes pulled from the TCM (from what I understand, the TCM stores its own transmission-related codes and sends P0700 to the ECM/PCM as a notice that there is a problem). I was beginning to think either there is a wiring problem, which could be, as we have mice nesting under the hood, or the TCM itself is bad.

 

It is bad. They have torn up the inside of my Neon (they come in through the A/C moisture drain tube). I can clean it out but they come right back. I need to find a way to keep them out! I am going to try peppermint oil since they supposedly don't like the smell. Believe me, they have me annoyed to no end!:angry1:

Well, as long as you don't park your vehicle in the same spot and let it sit there for a while without being moved you shouldn't have *too* large of a problem... unless your area is literally infested with rodents...

 

Well, as long as you don't park your vehicle in the same spot and let it sit there for a while without being moved you shouldn't have *too* large of a problem... unless your area is literally infested with rodents...

I think they see it the other way (their area is infested with humans). We live in the country, surrounded by oak trees (food and coverage) and farms (more food and coverage). They reproduce faster than you can kill them.

 

At least the main problem is fixed, but are they fixing your speedometer?

 

How did they break the speedo? Did they unplug the output speed sensor?

 

I'm not sure, I called today and the guy said something may have been unplugged when they were fixing the brake light issue? I pulled the IOD fuse in hopes to clear the memory, the "Service Engine Soon" light went out (prior it was the Check Engine light so this light was different i think) but speedometer, gas gauge and odometer are all not working.

I take it in tomorrow morning to have them fix that now!

 

mine did the same thing. I found it was just a blown fuse that controls all three things.