transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09 - Jeep Garage - Jeep Forum

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Old 06-24-2015, 11:34 PM
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Arrow transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

Hi all, Can you help me pls ، my car is 5.7 hemi jeep grand cherokee 2009 , I have a problem with the transmission down shifting into 4th gear and sticking there, Driving along at highway speeds it will something downshift into 4th and stay there and check engine light is on ,Only way to get it out of 4th in to stop, place it back in park, turn engine off, then restart engine?
What i do?
What are the parts that must be replaced?pls Picture or parts Number?

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Old 06-25-2015, 03:25 AM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

First you need to put it on a scanner to read the fault code(s) set. Are you sure it goes to 4th gear? Limp mode for the 5-45RFE is 3rd gear. Could be that the solenoid block inside the transmission needs to be changed, but only looking at the fault code we know more.
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Old 06-25-2015, 02:52 PM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

Quote:
Originally Posted by Frango100 View Post
First you need to put it on a scanner to read the fault code(s) set. Are you sure it goes to 4th gear? Limp mode for the 5-45RFE is 3rd gear. Could be that the solenoid block inside the transmission needs to be changed, but only looking at the fault code we know more.
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Old 06-25-2015, 02:53 PM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09


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Old 06-25-2015, 03:20 PM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

So it can be that there is a problem with the shift solenoid for 5th gear, but you will need to take it to some place to get the fault code read. Autozone seems to do this for free.
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Old 06-26-2015, 07:54 AM
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check fluid level in the tranny when its warm and in neutral and owning a jeep its a must to have a good code reader
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Old 06-26-2015, 09:30 PM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

Thank you all, I will take it to some place to get the fault code read , and I will tell you What happened
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Old 07-08-2015, 02:08 AM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

I did scanner , the code is :- P0882 , status :- stored
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Old 07-08-2015, 04:22 AM
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Re: transmission down shifting into 4th gear and sticking 5.7 hemi JGC 09

P0882 means low voltage on transmission control module. That can be caused by a bad connection, a wire problem or a problem of the transmission control module itself (part of the PCM). I would start cleaning the connectors on the PCM .
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