2015-2016 High Altitude Owners Thread - Page 122 - Jeep Garage - Jeep Forum

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  #1453  
Old 06-13-2016, 11:26 AM
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Re: 2015 High Altitude Owners Thread

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Originally Posted by MDBones View Post
No, my 14 had the 3.6L engine. Yes, it steered like a barge. Nothing like that at all on my 16... night and day difference.
Did you had 18 inch wheels on your 14?

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  #1454  
Old 06-13-2016, 08:11 PM
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Re: 2015 High Altitude Owners Thread

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Originally Posted by trance3 View Post
Did you had 18 inch wheels on your 14?
No, my 14 had 20's... so does my 16.
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  #1455  
Old 06-13-2016, 08:44 PM
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Re: 2015-2016 High Altitude Owners Thread

My 2015 HA 3.6 seems quite ok to me. The shifts are pretty seamless, acceleration acceptable, handling with 20" wheels just fine. ECO on or off, Sport mode on or off, and even praying won't get the same response as my Infiniti FX37, but that car is about 1000 lbs lighter with more power. All in all I prefer the Grand Cherokee, though. With a build date of 10/15, should there be a PCM update? I'm only aware of the TSB for seat heaters and the not yet shifter recall. The caliper recall came after October, I believe.
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  #1456  
Old 06-13-2016, 08:49 PM
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Re: 2015-2016 High Altitude Owners Thread

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Originally Posted by englanderm View Post
My 2015 HA 3.6 seems quite ok to me. The shifts are pretty seamless, acceleration acceptable, handling with 20" wheels just fine. ECO on or off, Sport mode on or off, and even praying won't get the same response as my Infiniti FX37, but that car is about 1000 lbs lighter with more power. All in all I prefer the Grand Cherokee, though. With a build date of 10/15, should there be a PCM update? I'm only aware of the TSB for seat heaters and the not yet shifter recall. The caliper recall came after October, I believe.
I was told today by my dealer that there's a PCM and BCM update available for my 16 so it quite possibly could cover the 15's as well. I didn't get the numbers for the updates.
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  #1457  
Old 06-13-2016, 08:55 PM
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Re: 2015-2016 High Altitude Owners Thread

Yeah. The BCM is the seats. I'll have to look deeper for the PCM and check with my dealer, but they seem to know less than I do! I'll suggest they start trolling the forums.
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  #1458  
Old 06-13-2016, 11:12 PM
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Re: 2015-2016 High Altitude Owners Thread

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Originally Posted by jgc4ever View Post
I have similar complaints about ECO mode and sport mode as you stated you had before the PCM update. I can't find it on wk2jeeps.com. You wouldn't happen to have the TSB number for this would you?
The number is 18-055-16. It is on the WK2jeeps.com site for TSB's, you may have passed over it. The number is applicable to the 2015 V6 3.6L. There is a separate number for the 5.7L. I wouldn't bother reading the "Symptom" in the document as I experienced none of those things described in that section. I can only comment on what I have felt in the engine from before vs. after the PCM update.
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  #1459  
Old 06-14-2016, 10:25 AM
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Re: 2015-2016 High Altitude Owners Thread

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Originally Posted by JTS97Z28 View Post
Well you have to have left the climate control on auto from the previous drive. So for example say you get home at 5pm from work and the climate is set to auto, if you remote start the vehicle the next morning the vehicle will still be in auto and will heat or cool the interior. If you previously left the climate off the previous drive then the climate control won't be on the next time to heat or cool the interior. So long story short just be sure to leave the climate control on auto. It would likely be left on anyway in the middle of winter so usually not an issue. . Another feature the Jeep has on applicable models is comfort feature. If selected in Uconnect settings, it will either put the ventilated seat on if it's hot out, or if it's cold it will automatically activate the heated seat and steering wheel. Great features for those really hot or cold days.

---------- Post added at 09:53 AM ---------- Previous post was at 09:42 AM ----------

Oh the one annoying thing about the auto comfort setting that sort of bothers me is for some reason it only selects the low ventilated seat option. So whenever I get in the vehicle I have to go in and press the ventilated seat button twice to get it on high. I have auto comfort feature selected for remote starts only for that exact reason, because I want the damn thing on high setting not low. Why they made it like that I have no idea. Anyone have any ideas? Heated seat goes to high setting.

If you can catch the startup screen with the seat and steering wheel temp controls when you first enter the vehicle (before the radio controls come on) you can actually set the seat vent to HI on remote start. However, once you press the START button it switches LOW. IMHO this is just plain dumb but at least the seat is cooler when you get in. I also wish we could customize our own temp settings for when remote start activates comfort features.
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  #1460  
Old 06-14-2016, 11:09 AM
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Re: 2015-2016 High Altitude Owners Thread

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Originally Posted by nkmjo View Post
If you can catch the startup screen with the seat and steering wheel temp controls when you first enter the vehicle (before the radio controls come on) you can actually set the seat vent to HI on remote start. However, once you press the START button it switches LOW. IMHO this is just plain dumb but at least the seat is cooler when you get in. I also wish we could customize our own temp settings for when remote start activates comfort features.
Yeah I know I always try to catch that screen, but yeah it would be nice if it would just do high setting right away.
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  #1461  
Old 06-16-2016, 12:04 AM
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Re: 2015-2016 High Altitude Owners Thread

Was made pretty jealous today. Rolled into my local lowes and parked behind an SRT. I always think my HA looks pretty aggressive in person compared to other SUVs but this SRT lowered on 22's made me feel inferior for once haha

305/35/22
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  #1462  
Old 06-16-2016, 01:41 PM
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Re: 2015-2016 High Altitude Owners Thread

I have been reading about this issue, but why do a lot of the GC's shift so inconsistently?? I thought the 8 speed was supposed to be smooth. Its the absolute worst shifting vehicle I have ever had. And also why is there so much lag. Is there a fix for this or do I have to live with it? Love everything else about this vehicle, but my Rubicon shifted better on 37's. If its the 8 speed then I better get another JK soon before Jeep screws that vehicle up with the 8 speed. It gets old hearing people say its a Jeep or it will learn your driving style. I have 3K miles and if this has learned my driving style, then I must suck at driving. For $50K, this thing should be like butter, but its not even close. I really hate to be that guy.
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  #1463  
Old 06-16-2016, 03:35 PM
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Re: 2015-2016 High Altitude Owners Thread

There's probably a TSB for your issue,head to the dealer and let them diagnose it for you.
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  #1464  
Old 06-16-2016, 03:49 PM
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Re: 2015-2016 High Altitude Owners Thread

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Originally Posted by CHALLENGERBIZJET View Post
There's probably a TSB for your issue,head to the dealer and let them diagnose it for you.
There might be. I've just never had a vehicle that seems to have more TSB's or issues with a tranny. Its a lease so I don't really care too much if things have to get replaced.
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