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  #205  
Old 07-31-2013, 08:14 PM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

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Originally Posted by Jeep4Ron View Post
Is there a specific fuse you can pull to do the reset without pulling the battery cables?
FYI:
It is easier to pull the negative cable than pulling a fuse.
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  #206  
Old 08-02-2013, 03:52 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

For vehicles built on or before July 14, 2013 equipped with the 3.6L engine and 845RE Automatic Transmission

TSB: 21-007-13

DATE: August 03, 2013

SUBJECT:
Flash: Transmission Shift Enhancements

SYMPTOM/CONDITION:
i. Harsh second gear to first gear/first gear to second gear shifts while using the paddle shifter when the vehicle is not moving.
ii. Inconsistent and/or harsh upshift quality during light throttle/low speed upshifts.
iii. Inconsistent and/or harsh downshifting quality while coasting down.

REPAIR:
Reprogram the TCM with the latest software
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  #207  
Old 08-02-2013, 05:54 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Quote:
Originally Posted by Milous View Post
For vehicles built on or before July 14, 2013 equipped with the 3.6L engine and 845RE Automatic Transmission

TSB: 21-007-13

DATE: August 03, 2013

SUBJECT: Flash: Transmission Shift Enhancements
Sweet - this is great!!!! I already have an appointment at the dealer next week for another issue, I'll add this to the list! Thanks Milous!
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  #208  
Old 08-02-2013, 06:03 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Quote:
Originally Posted by Milous View Post
For vehicles built on or before July 14, 2013 equipped with the 3.6L engine and 845RE Automatic Transmission

TSB: 21-007-13

DATE: August 03, 2013

SUBJECT: Flash: Transmission Shift Enhancements

SYMPTOM/CONDITION:
i. Harsh second gear to first gear/first gear to second gear shifts while using the paddle shifter when the vehicle is not moving.
ii. Inconsistent and/or harsh upshift quality during light throttle/low speed upshifts.
iii. Inconsistent and/or harsh downshifting quality while coasting down.

REPAIR: Reprogram the TCM with the latest software
Thank you for the info!!
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  #209  
Old 08-02-2013, 08:09 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Am I right in thinking that my Overland with a V-6 that started the build process on July 18 has the updated software? I only have 300 miles on it now and the transmission shifts very smooth with none of the symptoms that were listed.
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  #210  
Old 08-02-2013, 08:25 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Quote:
Originally Posted by Milous View Post
For vehicles built on or before July 14, 2013 equipped with the 3.6L engine and 845RE Automatic Transmission

TSB: 21-007-13

DATE: August 03, 2013

SUBJECT:
Flash: Transmission Shift Enhancements

SYMPTOM/CONDITION:
i. Harsh second gear to first gear/first gear to second gear shifts while using the paddle shifter when the vehicle is not moving.
ii. Inconsistent and/or harsh upshift quality during light throttle/low speed upshifts.
iii. Inconsistent and/or harsh downshifting quality while coasting down.

REPAIR:
Reprogram the TCM with the latest software
Sweet! I have an appointment in 1 hour for an oil change and they will (now) be applying this TSB as well as upgrading to 13.19. Will report back...
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  #211  
Old 08-02-2013, 09:27 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Quote:
Originally Posted by Milous View Post
For vehicles built on or before July 14, 2013 equipped with the 3.6L engine and 845RE Automatic Transmission

TSB: 21-007-13

DATE: August 03, 2013

SUBJECT: Flash: Transmission Shift Enhancements

SYMPTOM/CONDITION:
i. Harsh second gear to first gear/first gear to second gear shifts while using the paddle shifter when the vehicle is not moving.
ii. Inconsistent and/or harsh upshift quality during light throttle/low speed upshifts.
iii. Inconsistent and/or harsh downshifting quality while coasting down.

REPAIR: Reprogram the TCM with the latest software

Hey Milous how about the Hemi any word on when we can expect the update for it?
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  #212  
Old 08-02-2013, 09:43 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Which model has a 3.7L engine? Also says this on TSB page: Jeep Grand Cherokee WK2 - Grand Cherokee Service Bulletins and Recalls
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  #213  
Old 08-02-2013, 10:09 AM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

My 2014 Grand Cherokee has a 3.6L engine...



Good news though about the TSB...fingers crossed it does the trick!
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  #214  
Old 08-02-2013, 02:03 PM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Quote:
Originally Posted by jacko15 View Post
Which model has a 3.7L engine? Also says this on TSB page: Jeep Grand Cherokee WK2 - Grand Cherokee Service Bulletins and Recalls
Fixed typo, and also corrected typo on TSB document...
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  #215  
Old 08-02-2013, 02:04 PM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

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Originally Posted by silvermax04 View Post
Hey Milous how about the Hemi any word on when we can expect the update for it?
No word yet...
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  #216  
Old 08-02-2013, 07:38 PM
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Re: I Think I Fixed My Rough Shifting 8sp Transmission

Quote:
Originally Posted by Milous View Post
For vehicles built on or before July 14, 2013 equipped with the 3.6L engine and 845RE Automatic Transmission

TSB: 21-007-13

DATE: August 03, 2013

SUBJECT:
Flash: Transmission Shift Enhancements

SYMPTOM/CONDITION:
i. Harsh second gear to first gear/first gear to second gear shifts while using the paddle shifter when the vehicle is not moving.
ii. Inconsistent and/or harsh upshift quality during light throttle/low speed upshifts.
iii. Inconsistent and/or harsh downshifting quality while coasting down.

REPAIR:
Reprogram the TCM with the latest software
Thanks Milous. I have been waiting for this. Now I can make an appointment at my dealership to have this done, the uconnect update, and whatever is needed to fix the 911 radio requires service problem. My summit was built in March. Great Jeep and really happy with it. Looking forward to getting these minor issues remedied.
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