Question about 1993 Jeep Grand Cherokee

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  • darin brown May 11, 2010

    where does the other end of conn. go

  • Cindy Jeffers
    Cindy Jeffers Sep 09, 2012

    mine is stuck in 1st gear, will not shift and kickdown does not shift it either. also service engine light comes on once I start driving.


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I really doubt it is the TCM. If you have the A340 ****** in the vehicle here is probably the solution since you can shift it manually with the TCM disconnected. There are 3 shift solenoids in the ******. In time (many miles) they short out or malfunction. You can replace them. They are quite pricey. Go online to fine them. Google the parts as "
shift solenoids for a A340."They usually come in a set of three. One is for the 1-2 shift the other is for the 2-3 shift and the last is for the overdrive lockup.
You can test them after you remove the transmission pan by running a hot or energized wire to the shift solenoid. If you can hear it clicking when energized it is working. I have seen this time and time again. This particular ****** is also used in Toyota trucks. You can identify it by looking just above the transmission pan. You will see a factory tag about 1 inch high and 2.5 inches long on the ******. It may say ASAIN A340. This is the same ******. It will say made in Japan on it also. Again this is a very good ******. They can take a lot of abuse and this is a common problem. Replacement is easy. Undo the single bolt to the solenoid and pull it out of the hole is pushes into. Push the new one into the hole and reconnect the wiring harness. Two wires to each one. The kit for all 3 is around 260.00. Once you replace these reconnect the TCU. Of course you should change the ****** fluid since you must drain it all anyway and change the filter to the ****** and replace the pan gasket. Rotate the Torque converter to find the plug to drain the rest of the old ****** fluid from the torque converter. New fluid is required. Do not use the Dexron type 3. Replace with the the next level up. Chrysler recommends this new type fluid. Good luck.

Posted on May 20, 2012

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Likely you have a shift control module malfunction. Module is probably on the right side fender in the engine compartment. Check to see if you have one (some do and some dont... go figure...I've got a 91 & 95... I have about five different diagrams and NONE apply to my vehicles)

Posted on Dec 16, 2008

  • Ricky Lytle
    Ricky Lytle Jun 23, 2011

    I would look to the right of the gas peddle inside the jeep. That is where my (TCM) is located.


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1994 jeep 42re transmission shifting problem

I'm having a problem with my tranny not wanting to shift automatically at all. Seems like a dead stop its stuck in low gear. Have to manually shift and does not go into overdrive. I have a 1993 Jeep Grand Cherokee. Can anyone help me cause I've swiched out throttle control sensor, filter change, new tranny cooler and heavy duty lines. I'm at a loss and scratching my head. Any advice would be greatly appreciated

Sep 22, 2012 | 1994 Jeep Grand Cherokee

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Have a '93 Jeep Grand Cherokee, 4WD, 5.2L, 8 cyl, automatic that's not shifting. Transmission fluid looks good, no burnt smell, no metal bits in fluid, no grinding gears. Won't shift til you...

If the transmission will not go into gear or has trouble finding gears and has the proper amount of fluid, the shifting linkage could be bent or misaligned, especially on automatic models. The linkage can be found on the driver side of the transmission, toward the top of the unit. Inspect it to make sure the components aren't bent or broken and have someone shift the Grand Cherokee while you watch from underneath. Most times, only minor adjustments are necessary.
Also, check Torque Converter and scanned the TCM (Trans Control Module) to know if some fault code is stored there.

Jul 20, 2011 | 1993 Jeep Grand Cherokee

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My 1993 grand cherokee v8 automatic jeep selects gear 1 and 2, it does not select 3 and 4 pls help thanks

In automatic transmissions the second to third syncronizers always seem to go bad first, the syncronizers are worn, bad or gone. This is common in these transmissions. Also you might check your trans fluid level, sometimes a low level will cause the transmission not to shift correctly.

Jul 03, 2009 | 1997 Jeep Grand Cherokee

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What other yrear transmissions will fit in the 95 grand cherokee with the 6cyl besides 95?

42RE: The 42RE four speed automatic transmission was used in 1993.3 to 1998 Jeep Grand Cherokees with 4.0L engines. 46RH: The 46RH four speed automatic transmission was used in 1993 to 1995 Jeep Grand Cherokees with 5.2L engines.

May 29, 2009 | 1995 Jeep Grand Cherokee

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Automatic transmission wont shift

no this is a warranty problem any rebuild is obligated to the mechanic for at least a year to me make him refix it ya dig

Apr 04, 2009 | 1993 Jeep Grand Cherokee

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1993 Jeep Cherokee 4x4 Automatic Transmission will not up-shift.

I have a 91 that had the same thing i replaced the filter and the fluid and that seemed to work

Mar 31, 2009 | 1993 Jeep Grand Cherokee

1 Answer

1993 Jeep Grand Cherokee

Check fluid to make sure it's full. Did you check to make sure that when you move the shifter, the transmission shift lever on the case moves? Assuming it's an automatic, if fluid is full and linkage moves properly, has fluid been changed? If not, do it! (including filter) If when changing fluid, you find an excessive amount of fine metal or clutch material in pan, chances are the unit has worn out and needs rebuild, If everything inside is clean & good then finish with change and check results.If still having same problem it's likely internal or if electrically shifted, a shift module problem etc.

Mar 01, 2009 | 1993 Jeep Grand Cherokee

2 Answers


Typo and model:
1.- 4-speed automatic AW-30-40 (6cil start of 1993)
2.- 4-speed automatic 42RE ( 6cil 1993)
3.- 4-speed automatic 46RH ( V8, 1993-1995)
4.- 4-speed automatic 44RE ( 5.2L V8, 1996)
5.- 4-speed automatic 46RE ( 5.9L V8, 1998)
6.- 5-speed automatic 45RFE( 4.7L V8, 1999 in WJ)

Enter the VIN in here:

Also cHeck this info:

Good luck!!!

Dec 05, 2008 | 1993 Jeep Grand Cherokee

1 Answer

Automatic transmission problem

Is this car a six or eight cylinder?
If the car has a kickdown cable check the adjustment.

Oct 29, 2008 | 1993 Jeep Grand Cherokee

1 Answer

Automatic transmission

Cherokkes have an asian-warner tranny.
Grnd Cherokees have 727,999, or other Chrysler trannys.
You cannot interchange them.

Oct 27, 2008 | 1993 Jeep Grand Cherokee

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