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Old 29-03-2017
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I'm new to the WK2, but from reading the issue, it sounds as though it would be a very easy code change, unless there is a known issue with locking the gearbox in a given gear.
Maybe an organised email, to FCA could come up with an answer, one way or the other.
With the car changing gears going down hill, don't they all have hill descent control?

Last edited by 08crd; 29-03-2017 at 07:18 PM.
  #20  
Old 29-03-2017
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Quote:
Originally Posted by 08crd View Post
I'm new to the WK2, but from reading the issue, it sounds as though it would be a very easy code change, unless there is a known issue with locking the gearbox in a given gear.
Maybe an organised email, to FCA could come up with an answer, one way or the other.
With the car changing gears going down hill, don't they all have hill descent control?


The response I got when I queried it was exactly that, that is what the hill descent is for. Whilst the HDC does work very well, it would be nice to have the option. And I agree it should only be a software programming fix I would have thought.

As for going uphill, I haven't had the surging etc but got stuck on a sand hill towing my camper when i was trying to keep momentum by staying in second low but kept changing up to third and ran out of speed and stopped. As mine is a MY14 it doesn't have it but I guess they would argue again that you you the ascent control for this as well.


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  #21  
Old 29-03-2017
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Quote:
Originally Posted by Phoenie77 View Post
The response I got when I queried it was exactly that, that is what the hill descent is for. Whilst the HDC does work very well, it would be nice to have the option. And I agree it should only be a software programming fix I would have thought.

As for going uphill, I haven't had the surging etc but got stuck on a sand hill towing my camper when i was trying to keep momentum by staying in second low but kept changing up to third and ran out of speed and stopped. As mine is a MY14 it doesn't have it but I guess they would argue again that you you the ascent control for this as well.


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Well with litigation issues, hill descent control, tries to make it muppet proof.

If you can overide that, then a muppet can, that leads to a litigation case. "Why was I able to change gears and lose control", this is the down side of U.S style legal issues.
This probably causes the issue in reverse, when you need to lock it in a gear to provide drive.
I'm sure they could come up with a solution, but it is easy to see where the conflicts come from, writing code for all eventualities is a nightmare.
It's easy to criticise, but the permutations are huge.

Last edited by 08crd; 29-03-2017 at 09:43 PM.
  #22  
Old 31-03-2017
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Agree that the Hill Descent is a great feature & it works extremely well on those short, sharp " oh no, I am going to die" type of downhill sections.
The issue with jumping up through the gears is on those long ( 2 - 8klm long) Vic high country downhills... not steep enough for HDC, but steep enough to warrant a safe, controlled descent using engine braking.
Don't know of any other manufacturer that programs their auto 4wd's to do same as Jeep GC
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Old 12-08-2017
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I've had the same issue on hill climbs. Most recently on a muddy hill climb it seems that it decided to change up the gears (even though I was in "manual" 2 low). It appears that rather than just capping the revs in manual, it will change up a gear.
When it changes up the combination of the back off of revs and the torque converter means you basically come to a stand still and lose all momentum.

Quite frustrating.

Some people have said to take it out of low range, but wouldn't that unlock the transfer case also? losing proper 4wd?
  #24  
Old 13-08-2017
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Originally Posted by GCWK2 View Post
Some people have said to take it out of low range, but wouldn't that unlock the transfer case also? losing proper 4wd?
It's my understanding (I could be wrong) that the transfer case will lock up in high range whenever the electronics see fit. Exactly when it locks up versus when it doesn't I'm not too sure, but I'm 90% certain I've witnessed it lock on the gauge cluster screen that has the steering angle and diff info a few times.
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Old 14-08-2017
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are you guys going faster than 40KMH in low range ? low range has max speed of 40KMH and will "cut out" if you try and go over that .

I never run low unless aboslutely have to . Always leave it in high and use mode selector unless i need to go into mud setting
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