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Just regeared to 4:88 jeep going into LIMP mode

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Old Mar 31, 2015 | 06:58 PM
  #1  
CALONSO1's Avatar
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Exclamation Just regeared to 4:88 jeep going into LIMP mode

Hi I'm new to Jk Forums I've had jeeps in the past but, now I own a jeep jk unlimited Sahara 2013 has 35's Nitto grapplers with a 2inch lift. I just recently re-geared to 4:88 went with motive gears and I also did front and rear grizzly lockers. I'm planing to go with 37's later down the road. But I have a situation after re-gearing i did the inputs into the superchips trail dash that I have and the jeep keeps going into LIMP mode. I have rested the jeep twice. Ive done the inputs from
33.25 with 4:88
33.50 with 4:88
33.75 with 4:88
35.00 with 4:88
And it still doesn't work.

I called superchips and they told me to rest my jeep all over again and to go with 33.25 with 4:87 and it did not work. Then i did the following
33.50 with 4:87
33.75 with 4:87
35.00 with 4:87
and it still didnt work.
Superchips said they have never had this problem that there going to send me a flashpac instead to see if it works if nothing works then its the jeep computer that's not accepting it or it has to do something with the gears. But i know the gears are installed correctly and the jeep runs good. Ive done about 350 miles on the gears already because i would clear the code every time it would go into limp mode and when running over 45 the jeep wont go into LIMP until you go slow.

What I'm trying to figure out is an answer from anyone that's had this problem before? Please help me out Thank you.
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Old Mar 31, 2015 | 07:16 PM
  #2  
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Originally Posted by CALONSO1
Hi I'm new to Jk Forums I've had jeeps in the past but, now I own a jeep jk unlimited Sahara 2013 has 35's Nitto grapplers with a 2inch lift. I just recently re-geared to 4:88 went with motive gears and I also did front and rear grizzly lockers. I'm planing to go with 37's later down the road. But I have a situation after re-gearing i did the inputs into the superchips trail dash that I have and the jeep keeps going into LIMP mode. I have rested the jeep twice. Ive done the inputs from
33.25 with 4:88
33.50 with 4:88
33.75 with 4:88
35.00 with 4:88
And it still doesn't work.

I called superchips and they told me to rest my jeep all over again and to go with 33.25 with 4:87 and it did not work. Then i did the following
33.50 with 4:87
33.75 with 4:87
35.00 with 4:87
and it still didnt work.
Superchips said they have never had this problem that there going to send me a flashpac instead to see if it works if nothing works then its the jeep computer that's not accepting it or it has to do something with the gears. But i know the gears are installed correctly and the jeep runs good. Ive done about 350 miles on the gears already because i would clear the code every time it would go into limp mode and when running over 45 the jeep wont go into LIMP until you go slow.

What I'm trying to figure out is an answer from anyone that's had this problem before? Please help me out Thank you.
Good luck, my JKU didn't have any problems with the flashpaq, but it does seem like there have been plenty of people who have issues with super chips on the different Jeep forums.
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Old Mar 31, 2015 | 07:23 PM
  #3  
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Damn that sucks man! Is yours an auto? I am near regear time(saving the last of the moneys haha) and wanted to go with 4.88 and was looking at the super chips! But this makes me leery about buying one..

Sent from my iPhone 5s
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Old Mar 31, 2015 | 07:39 PM
  #4  
CALONSO1's Avatar
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Yes I have an automatic transmission. The reason I went 4:88 is to eventually get 37. I'm half way with nittos that I have. I'll get the fashpac on Friday so until then I'll see what happens. But I'm trying to see if anyone know the answer or has had this issue
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Old Mar 31, 2015 | 08:06 PM
  #5  
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The grizzly is an auto-locker? There have been a few threads similar to this in the last couple years. May be something to look into further.

https://www.jk-forum.com/forums/modi...omatic-260152/
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Old Mar 31, 2015 | 09:12 PM
  #6  
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Yes the grizzly is an auto locker
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Old Mar 31, 2015 | 09:32 PM
  #7  
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There are issues with auto lockers and auto trans. Too many sensors to not trip the system. Search it, you'll find the threads.
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Old Apr 1, 2015 | 05:16 AM
  #8  
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From: Madison, New Jersey
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Like others said, the problem isn't the gears or the tune it's the locker. You can't put an auto locker in the rear of a 2012 or newer auto trans.
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