my transmision will not shift i have to shift it manual, and a have no crusse controlle but me speedo workc good

 

need more info...

what year is the truck?

 

jeep cherokee 87

 

TCM

 

tcm ???

 

Trans control maaaa whatchamacallit I can't spell its under the dash on the passenger side. I think.

 

could it be my seedsensore ?

 

No you can run without one and the trans will still work.

 

My 90 would not shift at all. I can't remember if I could shift it manually or not. Its been awhile ago. But the reason it wouldn't shift was because I had a bad throttle positioning sensor. Don't know if it will fix yours but its a suggestion.

 

TPS is linked in with the transmission it may be shot or needs adjustment.

 

here.

http://monkeycage.island4x4.com/show...0L-w-aw4-trans

 

Question? The auto TPS has two plugs on it, does one go to the ECU and one go to the Transmission control module? Does adjusting the TPS effect the shifting of the tranny? I thought adjusting the TPS was for your fine tuning the engine? Sorry for all the questions. Just trying learn new stuff. LOL.

 

First place I'd look is up under the pasenger side dash where the TCU is. Transmission Control Unit. Just below the glovebox is a wire harness wrapped in a bit of yellow tape. In that tape is an inline fuse that can fail or corrode causing all of your problems.

 

I just went through this situation
I replaced the TCM but that did not solve the problem
I replaced the 3 shift solenoids with a kit I found on line. The kit came with a transmission pan gasket and filter too.
It was very easy to do.
I also put in 4 quarts of DEX / MERC trans fluid