Question about 1999 Jeep Cherokee

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99 Jeep Grand Cherokee Laredo , won't shift into second gear, and won't go past 20 mph

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  • carwoes Sep 28, 2008

    I have the same problem, and it started very suddenly, one trip out of the driveway it was fine and the next time the engine would not shift out of first gear.

  • Anonymous Feb 04, 2009

    I have a similar problem with an 87 it started after washing the motor off with a garden hose. The weird thing is you put it in 4wd low range and it shifts fine. I am wondering if the ecu is bad or something else

  • Anonymous Apr 02, 2009

    transmission won't shift

  • Anonymous Mar 24, 2014

    crusing on higway 65mph and engine rmp jump from 2100 jump to 2500 for a second and goes down back

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I had the same problem on a 1997 grand cherokee. the self diagnostics tripped a trouble code of 15 no signal on speed sensor. I changed out the speed sensor on the rear tailshaft of the transmission and the transmission shifted but the code was still there after it had been reset with a code reader. Today I found out there is another speed sensor on the middle of the transmission that looks like a spark plug with a wiring harness hooked to it. I changed this sensor and the transmission shifts a lot quicker and smoother, but I have to go to the autoshop to see if this erases the code.

Posted on Jan 04, 2009

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Hi Guys!
I work in a transmission and torque converter remanufacturing plant and have seen this many times! I hate to tell you that your transmission is shot! There is metal in the fluid and some of it got caught in a solenoid not letting fluid through to shift the gears. You will need a rebuild! About $2500 dollars. Of course if you in Pittsburgh, Pa. area I could do it for about half that. Any questions e-mail me at mach1cnc@msn.com

Posted on Nov 17, 2008

Im having the same problem with my 95 grand cherokee. it want start in 1st. it starts off in 2nd and you have to shift it like a 5 speed..... whats wrong with it????? please help

Posted on Oct 22, 2008

Check your vehicle speed sensor

Posted on Aug 30, 2008

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My 2002 jeep grand cherokee won`t change out of first gear I can only drive under 25 mph?


check fuses.
then scan it.
the scan tool will in fact tell you what the trans is stuck
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those are called DTC errors.
all shops in town can scan, or you can buy one and DIY.
on all modern cars. 96+

at 25mph 2nd should happen.
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Hi there:
By your description solution #1 the transmission pressure switch is bad or not pluged in; did you have the computer scanned for the transmission code?

This is the first step, scanned the TCM (Transmission Control Module) to know fault codes stored there, with this clue could thnik in a second choice.

Hope helps.

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1 Answer

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