Transmission control module
Have 2005 Jeep Grand Cherokee Laredo having problem with the transmission Jeep dealer told me a need a TCM replace it and still doing the same thing sometimes it will shift good sometimes it will be in a lower gear and I can't go any higher than 30 miles an hour the rpms are close to 3 if if I go at that which I don't. What else could it be
CF Veteran
Joined: Aug 2008
Posts: 6,588
Likes: 495
From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
Have 2005 Jeep Grand Cherokee Laredo having problem with the transmission Jeep dealer told me a need a TCM replace it and still doing the same thing sometimes it will shift good sometimes it will be in a lower gear and I can't go any higher than 30 miles an hour the rpms are close to 3 if if I go at that which I don't. What else could it be
CF Veteran
Joined: Aug 2008
Posts: 6,588
Likes: 495
From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
I have a 95 Jeep Grand Cherokee Orvis and lately it won't start unless it's in neutral and occasionally when I put it in park it will roll backwards and make a clicking sound and the awhile ago when I had it running and it park it rolled away on me I parked it for a few days and now it won't start i was told that it could be the TCM but idk if this is true a new TCM is expensive and I don't want to replace it if it doesn't turn out to be the issue I'm stumped on this one any suggestions that may help me is greatly appreciated
CF Veteran
Joined: Aug 2008
Posts: 6,588
Likes: 495
From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
Jennifer, your linkage needs to be adjusted is all so the park pawl goes all the way in. TCM has nothing to do with Park
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CF Veteran
Joined: Aug 2008
Posts: 6,588
Likes: 495
From: Chico, CA
Year: 1986
Model: Cherokee
Engine: 4.3L with headers and full 3" exhaust system
Well, all I can say is that the park function is purely mechanical. The TCM controls what speed the transmission shifts at
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