-38 Jeep Suspension doesn't like it - Jeep Garage - Jeep Forum

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  #1  
Old 02-14-2016, 12:39 AM
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-38 Jeep Suspension doesn't like it

2014 Wk2 overland,

For a few weeks I have had some errors pop up.

First was I left car outside for 4 days in a snow storm. I immediately got service air suspension when I started it.

Never returned but 3000 km later, I saw air suspension cooling message.

Brought it to the dealer yesterday. They said they checked for codes and ran the diagnostic suspension test. No codes found or issue? I have an extended gold warranty but they wanted to charge me for an hour diagnostic since they didn't find an issue.

After some arguments they said they would keep the work order open. The service advisor claims there are many factors. Sensors freezing on the control arms? Cold weather. Since I also stated sometimes coming out of park height it says raising for 5 minutes but the jeep is at normal ride height.

In Ottawa the past 24 hours have been colder then the North Pole.

I was driving today and got service air suspension immediately again which shut done the air suspension.

Are all these errors related to extreme cold weather? When the weather is warm the air suspension operates without any issues.

What are your thoughts ?

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  #2  
Old 02-14-2016, 06:40 AM
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Re: -38 Jeep Suspension doesn't like it

At -38 air temp I'm not surprised that the air suspension would act up. If that continues when warmer weather returns then your issues are probably covered under this TSB... http://wk2jeeps.com/tsb/tsb_wk2_0808213.pdf
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Old 02-14-2016, 09:49 AM
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Re: -38 Jeep Suspension doesn't like it

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Originally Posted by MDBones View Post
At -38 air temp I'm not surprised that the air suspension would act up. If that continues when warmer weather returns then your issues are probably covered under this TSB... http://wk2jeeps.com/tsb/tsb_wk2_0808213.pdf

Yeah not sure why they haven't applied that TSB. It is freezing here
So I wasn't surprised things are acting up.

I need to move out of here!!
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Old 02-14-2016, 10:18 AM
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Re: -38 Jeep Suspension doesn't like it

Yeh. Move south to here. It was only -12F last night!
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Old 02-14-2016, 10:24 AM
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Re: -38 Jeep Suspension doesn't like it

^^^ +1 on that.
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Old 02-14-2016, 11:01 AM
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Re: -38 Jeep Suspension doesn't like it

I normally run into this issue when it goes below 15°F

They never find codes but my best guess it that the N˛ pressure drops below the threshold and the suspension system won't work because it believes it doesn't have enough.

I asked the dealer to just ensure the pressure is higher....shockingly they said no and couldn't find codes.
I have pictures as I have had to drive home in Entry/Exit height before.

Best solution I have found is to put it into Snow Mode before I go to park as this prevents it from lowering to Entry/Exit height...at least when the air suspension doesn't work I am at normal driving height
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Old 02-14-2016, 12:32 PM
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Re: -38 Jeep Suspension doesn't like it

That's not acceptable. We get similar temperatures here in the Capital District as you in the Syracuse area (but much less snow!). I was running errands all morning at -5F and my QL worked as it should. This is my 2nd winter with QL and I have not had any issues (yet) with it.
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Old 02-14-2016, 06:44 PM
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Re: -38 Jeep Suspension doesn't like it

My 2011 GC Overland was getting same error messages on the dash when temps got below about 25 degrees. Last winter front suspension collapsed, took it to the dealer and they re-flashed the program...sounds like the same as the TSB mentioned above for the 2014's...it worked for a little while but the temps were also warmer...put up with it for the rest of the winter...no more collapses just annoying messages and dings...a few days ago the rear collapsed, now I am trying to figure out a way to replace the air suspension with coil springs...no luck so far, but I can say that I would never buy any vehicle with air suspension again. Even if it works fine for a few years, the system will fail and the cost to fix will be high.
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Old 02-15-2016, 03:43 PM
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Re: -38 Jeep Suspension doesn't like it

Yeah well every time I bring it in they say they don't see any codes.

Makes me nervous that the reliability on this air suspension is not up to par.

I had a Mercedes that was 10 years old before I had to replace a shock.

Again on Saturday it triggered service air suspension.

Again today at -11. I went in for a bit came back out. And go no system messages. ImageUploadedByJeepGarage1455572627.076457.jpg

ImageUploadedByJeepGarage1455572597.012239.jpg
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Old 02-18-2016, 03:10 PM
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Re: -38 Jeep Suspension doesn't like it

So my dealer really has no explanation and still want's to charge me for a diagnostic since there is no issue?


He said I have to come in when the warning turns on since every time i bring it in the system says no errors and for some reason the system doesn't log any faults.


Why would the system give an error and not log it? Is that normal for air suspension systems on Jeeps?
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Old 02-18-2016, 04:00 PM
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Re: -38 Jeep Suspension doesn't like it

Quote:
Originally Posted by HelixJeep View Post
So my dealer really has no explanation and still want's to charge me for a diagnostic since there is no issue?


He said I have to come in when the warning turns on since every time i bring it in the system says no errors and for some reason the system doesn't log any faults.


Why would the system give an error and not log it? Is that normal for air suspension systems on Jeeps?
No, it isn't, and you shouldn't accept such shoddy service.

Have you contacted Jeep themselves?

Is the dealer pulling codes from the diag interface or just from the evic?

If your evic keeps showing "raising" when coming out of park, it looks like you
don't have the latest software for the '14.

And if they refuse to even check that your nitrogen supply is full, well, sounds like time to go up the food chain a bit.
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Old 02-18-2016, 07:20 PM
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Re: -38 Jeep Suspension doesn't like it

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Originally Posted by lstowell View Post
No, it isn't, and you shouldn't accept such shoddy service.

Have you contacted Jeep themselves?

Is the dealer pulling codes from the diag interface or just from the evic?

If your evic keeps showing "raising" when coming out of park, it looks like you
don't have the latest software for the '14.

And if they refuse to even check that your nitrogen supply is full, well, sounds like time to go up the food chain a bit.

They said they ran air suspension diagnostic tool whatever that means and saw no stored codes.

I called Jeep customer service today and was pretty much told the dealers are 3rd party and can charge a diagnostic if there isn't a part at fault. Then she said try a different dealer.

She logged a case for now but that wasn't to helpful.

I may try a different dealer and hopefully they don't try to charge me fees for checking the system.

Past couple days no errors or issues very strange. We got 52CM of snow on Tuesday and the Jeep was a tank and had no errors pop up as I was plowing through snow.
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