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Discussion Starter · #1 ·
Dats the message i get on the dashboard of my '05 WK: TRANSMISSION OVER TEMP, with a check engine light on. it happened this morning. then i turn the car off, and turn it on again the message was gone and the check engine light was gone as well. has anybody experienced this before? wat seems to be the issue here? i noticed that the car has been acting weird too. at red light, when the folks in front of me start moving. i hit the gas, the car starts moving but very slowly, so slow the people in front of me would be far in front and the people behind start honking pro'bly saying "ARE U GONNA START F****** MOVING OR WAT?"
 

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Discussion Starter · #4 ·
it has a deep stick. and i get the tranny fluid check when they do the engine oil change. but yeah, after some google search i found out this is a pretty common problem with the TRANSMISSION OVER TEMP message. it's a sign that you soon need to change your starter. weird, i know.
well thank you guys!
 

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I am currently getting the Transmission Over Temp message but I just had a trans service done and I replaced the starter last year (for the 3rd time). The trans levels are find. Does anyone have any suggestions on what else to check?
 

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it has a deep stick. and i get the tranny fluid check when they do the engine oil change. but yeah, after some google search i found out this is a pretty common problem with the TRANSMISSION OVER TEMP message. it's a sign that you soon need to change your starter. weird, i know.
well thank you guys!
Wut
 

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JGC Limited 5.7L
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I had the same issue with the trans over temp and fan coming on, had a transmission shop check the temperature and it was spiking up and down all over the place; however, when they checked the trans dip stick it was ice cold. They told me it was possibly a faulty sensor within a solenoid pack inside the trans.

Nonetheless, I didn't end up getting it fixed and eventually it ended up evolving into incorrect gear ratio codes and was told I needed a new transmission due to the fact my jeep would push into second gear. But thats just my jeep, who know yours might be a different situation.

Maybe you just have a faulty sensor, or something much worse? I would get it checked out immediately, could save you some money in the end.

Stage 3 trans on the way!!!! Ill keep you guys updated, this new trans should fix the issue. If not, then theres a bigger problem.
 

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2006 WK
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I've been having the same problem since June 2010 on my '06 GC 4.7L. Trans always shifts fine when TOT is not on. Couldn't find answers by asking dealers or local shops or surfing web.

Bought an infrared thermometer and for awhile when light came on I pulled over and shot the ray at tranny pan. Temp was always at 180 degrees (give or take a few) which is spec. Had fluid/filters replaced at dealer in January and it still comes on at times. It seems to go in streaks: nothing for a few weeks and then on/off for a few weeks. No pattern.

Realized this is probably just another of the many electrical glitches our Jeeps have and decided not to worry about it any more. Have driven about 45-50000 miles since first incident and tranny seems fine so far. If I ever find an answer I will post it. In the meantime make sure your fluid is always full and only use ATF+4 and don't lose sleep over it.
 

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2006 Jeep GC Laredo
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339 Posts
anything new ?

getting the same message, started getting it a day after I gave a long boost to a friend's car, had negative side wire connected to his battery instead of metal surface, not sure if any of this played a role....

I also had a water pump installed 1 month prior, bought a Cardone water pump fro rockauto and brought it to some bozo mechanic shop, I wonder if things went wrong there.

I'm going to the dealer tomorrow morning, if anyone has any more clues as to what it could be...I got the 2nd message today, got the first 2-3 days ago. Transmission Over Temp. Jeep is running ok, but I may be noticing a slight louder than usual fan noise...I could be wrong there though, it could be me wanting to hear the problem... I hope it's electrical.
 

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I have a 2009 JGC; last night I parked my car, came back 20 min later car wouldn't turover and TRANSMISSION OVER TEMP displaying on the control panel. Any ideas? I have read everything from starter to sensor. Nothing definitive. But my car won't start at all, not even a turn over. I tried getting a jump, headlights came on but that is it. It has been 23 hours since it began. Some people have gotten their car to start after several hrs., some have not had any issues with the car not starting. I can't believe this code comes on for so many different outcomes; all of these different problems do not raise the temp of the tranny or the temp of the sensor. It doesn't make any sense. Does anyone from Jeep have any ideas about this? I'm at such a loss. The dealership in my area doesn't have the greatest service dept. and I called to see if they could look at it, they said they might get to it tomorrow but that doesn't even seem to be useful from what I've read b/c the dealers don't know what the problem is either. UGGG!!! Any help would be greatly appreciated.
 

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The beast from Brazil
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When you try to start, do you hear a slight click from under the hood (from the starter relay). If you do hear that, then most probably your starter failed, or the wiring to/from it (corrosion at end lugs). If you don´t hear a click, then your starter relay could be faulty (sits in PDC under hood, just swap it with an equal relay from the PDC), or your park/neutral safety switch inside the transmission is faulty (messing with the shift lever sometimes helps), or your ignition switch is faulty. Ofcourse there is also some wiring which could be the problem or even a fuse.
 
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Was there ever any resolve to this trans over temp message I've been dealing with this message for a. While now?
 

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2006 Jeep GC Laredo
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339 Posts
Mine stopped. I had a few starter and battery gunk things cleaned it happened once more afterwards than it went away when the weather cooled off but who knows...

This looks like a more reliable fix though found it on another jeep site:

Any body with this concern should let the dealer know about STAR case # S1421000016 and have the Powertrain Control Module replaced. You have an 8 year/80,000 mile warranty.

Good luck keep us posted.
 

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JGC Limited 5.7L
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My fix was to replace the pcm. I only replaced the pcm after my hand held tuner stated that it was no longer able to communicate with the pcm or tcm. It was pretty much the last thing i replaced among a long line of things that finnaly seemed fix the trans overtemp issue. Its been about four months and it has never come back.

Overall, if its the pcm giving you trouble then i believe other signs of failure will eventually show up, if not already noticeble.

What i replaced: outcome:
1. Battery. No fix
2. Starter + wiring No fix
3. Transmission. No fix
4. Electronic shift module. No fix
5. Ignition module. No fix
6. Refurbished Pcm. Fixed
 
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