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Old 04-26-2015, 02:46 PM
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Transmission shifting problem- 9 sp 2014 Cherokee Ltd

My 2014 Cherokee Lmt 4 cyl 9 speed transmission doesn't work the way I THINK IT should. Maybe I could get some expert advice from you guys.

When I attempt to shift manually by pulling the gear shift lever toward me, it seems that the gear I select is only a suggestion to the transmission computer module. It shifts pretty much whenever and into whatever gear it wants to.

I can't really override the computer.

Also, it seems the transmission NEVER goes into 9th gear.
I'll be running 75 on flat highway in auto. When I put the lever into manual, it usually reads 7th or maybe 8th, but usually 7th. I think it should EASILY be in 9th.

I manually shift it into 9th and it reads 9 on the dash. No change in RPM's But when I push the lever to auto, then immediately pull it back into manual, the dash then reads 7 or 8. Never 9.

Anyone else experience this?

As I said, my gear selection just seems to be a suggestion to the computer.

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Old 04-26-2015, 04:12 PM
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Re: Transmission shifting problem- 9 sp 2014 Cherokee Ltd

I have a 2014 Jeep Cherokee Limited 3.2L ADII. There is no manual mode in the 9 speed transmission. Moving the lever to the left simply lets you define a range of gears. It is all explained in the full owner's manual. You can get a free copy sent to you by calling Auburn Hills if you don't already have one.
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Old 04-26-2015, 04:44 PM
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Re: Transmission shifting problem- 9 sp 2014 Cherokee Ltd

Quote:
Originally Posted by macfan View Post
I have a 2014 Jeep Cherokee Limited 3.2L ADII. There is no manual mode in the 9 speed transmission. Moving the lever to the left simply lets you define a range of gears. It is all explained in the full owner's manual. You can get a free copy sent to you by calling Auburn Hills if you don't already have one.
Agreed. Also, 9th gear is very seldom seen by any KL owner. I think a few have seen it going downhill with a tail wind at 85 MPH.
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Old 04-26-2015, 04:53 PM
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Re: Transmission shifting problem- 9 sp 2014 Cherokee Ltd

I read my manual.
No mention of shifting manually.
It went into an extensive 4 wheel drive discussion but nothing on the 9 sp.
But thanks.
Anyone else have experience with this?
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Old 04-26-2015, 05:06 PM
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Transmission shifting problem- 9 sp 2014 Cherokee Ltd

Look under "Electronic Range Select" in the manual as it is in there. Basically, ERS sets the upper gear that you will allow the tranny to go to. For instance, select "7," and the tranny shifts between gears 1-7.
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Old 04-26-2015, 05:41 PM
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Re: Transmission shifting problem- 9 sp 2014 Cherokee Ltd

Thanks for trying but it's not in my manual.
I need to take it in to the dealer and have some software re-flashed.
I'll ask my service agent to ask his transmission guy how it's supposed to operate.
Thanks to all who replied.
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Old 04-26-2015, 05:43 PM
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Re: Transmission shifting problem- 9 sp 2014 Cherokee Ltd

Download the full manual from Jeep's website and it will be on page 403 for your convenience :-)
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Old 04-27-2015, 10:01 AM
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Re: Transmission shifting problem- 9 sp 2014 Cherokee Ltd

If your in 8th gear at any speed the tranny wont shift into 9th gear if the computor knows going into 9th will put the rpm below 1500 rpm. I have got 9th gear on level road doing 85 mph and the rpm read about 1700. It seems 1500 rpm is the magic number as thats the tranny stall speed also. By the way i havnt heard from jeep on the shifting problems after the tcm and pcm and all the other flashes they did on my jeep. I guess they will say thats normal lol. I told the wife our next car will probably be a Scat Pack CHARGER HEHE. If the 9 speed shifted like the 8 speed i be happy as the engine does perform well BUT i do miss the 200 hp i lost from my last 2 srt8. I do most intown driving in sports mode and go into auto mode on freeways.
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