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Go Back > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > transmission trouble

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Unread 03-23-2013, 07:09 PM   #1
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Join Date: Mar 2013
Location: jefferson city, mo
Posts: 1
transmission trouble

Ok, I have a 1997 grand cherokee that has 248,000 miles. I have what I believe to be 3rd and reverse. Computer reading came back as possible tcm. Does this sound like a tcm problem or should be breaking the transmission down and do a rebuild? Just hate to drop 200 bucks for tcm if I'm going to have to do a rebuild. Was having trouble 6 months ago with only shifting to 3rd on hwy replaced fluid/filter started changing with no problem, so I'm pretty sure thats not it....

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Unread 03-23-2013, 07:21 PM   #2
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1995 ZJ 
Join Date: Feb 2012
Location: St. Joseph, Michigan
Posts: 17
Problem is, a guess either way results in money that might not have needed to be spent. I had my trans rebuilt, since they are common for issues anyhow. Only a good trans shop can really tell you. This isn't an area I'd even try to DIY without some diag/trans rebuild background for support.

If you have a scan tool, you can check for TCM faults. However, if there was an issue once already, there may be something more sinister going on. If codes are present, you know the TCM is doing (some of) it's job.

Really simple...spend 1/2 the cost for the computer and have it properly diagnosed. Then you can take the steps to fix yourself if you choose.

Last edited by RTLee; 03-23-2013 at 07:22 PM.. Reason: Ipad spelling issues...
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