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  #61  
Old 08-06-2012, 08:08 AM
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Re: STUCK IN SAND with 4WD malfunction

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Originally Posted by LeCheese View Post
It's especially bad considering Jeep Aus' new ad consists of the GC on a beach, in more than one shot btw, and it seems to be doing fine. I can't blame Jeep Aus entirely though as they are only getting fed info by the US...
Yeah, there is picture of a wk2 on a beach in my dealers service department that is about 8 feet long and 6 feet high. No doubt in my mind that vehicle was air lifted in for the photo shoot. There is definitely a deceptive marketing campaign that borders on illegal. I wish the mainstream media sources would pick up on this issue like they did for the "moose test."
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  #62  
Old 08-06-2012, 06:22 PM
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Re: STUCK IN SAND with 4WD malfunction

Add me to the list of 2012 WK2 owners who had to be towed off the beach!

This was my first time having this jeep on the beach (OBX, North Carolina). Drove around for 10 minutes or so just fine. Left the beach returned later that day, drove for another 10 mins FCW OFF warning appeared. Drove for another couple of minutes and parked for a few hours. Started Jeep to leave, no error. Drove for 5 mins in SAND/MUD (not 4WD Lo) and the FCW OFF warning returned followed quickly by Service 4WD. Kept driving but it felt like the front wheels were not helping so (unfortunately, I had not read this thread yet) like anyone would, I stopped to see what was the matter. Didn't see anything wrong, restarted engine and errors still appeared. Also got the error, "Air Suspension Unavailable". Could not raise/lower, shift into 4 Lo, or clear errors by pulling fuses.

Thought I would just continue driving and get it fixed later but quickly learned that a 2WD JGC in sand is as worthless the teets on a boar hog! I tried to dig out to no avail. A Nissan Xterra was just as helpless trying to pull me out. Eventually called a tow truck. While being pulled out, the errors went away. The next day, I drove on beach for another 15-20 mins without any 4WD issues but the FCW OFF warning reappeared. Drove home (8 hours) without any trouble but FCW OFF reappeared once. A simple (but annoying) restart clears this error.

Took her to the dealer today. Mechanic could not find anything wrong but the Service Writer said that he flashed the 4WD module and emailed Chrysler for additional support. I am suppose to get a call soon and will post any updates. I am going to withhold my new-found knowledge of TSB 08-034-12 and see what they (dealer and Chrysler) come up with.

Like everyone else on this thread, I am obviously pissed and hope that they find a permanent solution or agree to refund me 25% of the purchase price plus the cost of a black sharpie so that I can shade out the word SAND from the MUD/SAND mode!!!
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  #63  
Old 08-07-2012, 02:59 AM
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Re: STUCK IN SAND with 4WD malfunction

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Originally Posted by whitneyumr View Post
Add me to the list of 2012 WK2 owners who had to be towed off the beach!

This was my first time having this jeep on the beach (OBX, North Carolina). Drove around for 10 minutes or so just fine. Left the beach returned later that day, drove for another 10 mins FCW OFF light warning appeared. Drove for another couple of minutes and parked for a few hours. Started Jeep to leave, no error. Drove for 5 mins in SAND/MUD (not 4WD Lo) and the FCW OFF warning returned followed quickly by Service 4WD. Kept driving but it felt like the front wheels were not helping so (unfortunately, I had not read this thread yet) like anyone would, I stopped to see what was the matter. Didn't see anything wrong, restarted engine and errors still appeared. Also got the error, "Air Suspension Unavailable". Could not raise/lower, shift into 4 Lo, or clear errors by pulling fuses.

Thought I would just continue driving and get it fixed later but quickly learned that a 2WD JGC in sand is as worthless the teets on a boar hog! I tried to dig out to no avail. A Nissan Xterra was just as helpless trying to pull me out. Eventually called a tow truck. While being pulled out, the errors went away. The next day, I drove on beach for another 15-20 mins without any 4WD issues but the FCW OFF warning reappeared. Drove home (8 hours) without any trouble but FCW OFF reappeared once. A simple (but annoying) restart clears this error.

Took her to the dealer today. Mechanic could not find anything wrong but the Service Writer said that he flashed the 4WD module and emailed Chrysler for additional support. I am suppose to get a call soon and will post any updates. I will am going to withhold my new-found knowledge of TSB 08-034-12 and see what they (dealer and Chrysler) come up with.

Like everyone else on this thread, I am obviously pissed and hope that they find a permanent solution or agree to refund me 25% of the purchase price plus the cost of a black sharpie so that I can shade out the word SAND from the MUD/SAND mode!!!

Almost same experience I had. I believe I have had the update you mentioned applied. It didn't work for me
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  #64  
Old 08-07-2012, 04:56 PM
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Re: STUCK IN SAND with 4WD malfunction

What a ridiculous situation !

1. Jeep projecting GC as the ultimate 4WD despite the sand issue for the last 10months !
2. Not formally acknowledging this issue and informing customers who keep getting bogged down in SAND, as the result of this negligent behaviour !
3. Not coming up with a fix to this problem - ~10 months apparently !
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  #65  
Old 08-08-2012, 06:55 AM
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Re: STUCK IN SAND with 4WD malfunction

Well next week I will be driving up the Great Sandy NP and onto Fraiser Island. If it gets stuck with the error, then I see me using the videos from the ads and Jeep Oz release video (the CRDs on Frasier? Moreton?) for evidence with the arbitrator.

Maybe Jeep expects us to all buy Detroit locking doffs?
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  #66  
Old 08-08-2012, 09:18 AM
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Re: STUCK IN SAND with 4WD malfunction

I'd just recommend staying above the high tide line at all times. Some seem to have no problems at all, unfortunately I'm in the group that has been towed.
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Old 08-08-2012, 02:30 PM
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I wonder how an insurance company would tackle it when you tell the that jeep have known about the issue for 10 months and still haven't informed owners that they shouldn't drive them in off road locations? Would that put jeep at fault if the tide came in and swallowed the car?
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  #68  
Old 08-08-2012, 09:05 PM
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Re: STUCK IN SAND with 4WD malfunction

So I haven't heard back from the service center yet and have not had time to call them. Makes me curious why they have not called to follow up yet (2.5 days now). I spoke with the Chrysler support group and they acknowledged that the mechanic and Jeep engineers have been trading emails but wouldn't elaborate on the content of the emails.

If you are going on the sand, I would recommend to use 4WD Lo. I'm not sure that this will solve the problem completely but it might help since the diffs will be locked. I suspect that the continuous slipping of each wheel in 4WD hi (auto or sand) is somehow confusing the traction control systems which is in turn f'ing with the 4WD module causing it to shut down and unlock both diffs. Just a theory though....

I wish there was a way to override the "smart" system and engage 4WD while locking the diffs with the flick of a switch. Better yet, a nice lever like my 1979 F150 has would sure feel reassuring! Even if I had to crawl under the damn thing and turn something, that would be less embarrasing than waiting for a tow truck!
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Old 08-09-2012, 09:56 AM
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Re: STUCK IN SAND with 4WD malfunction

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Originally Posted by whitneyumr View Post
Even if I had to crawl under the damn thing and turn something, that would be less embarrasing than waiting for a tow truck!
You want embarrassing? While I was waiting for my tow a Suzuzki Vitera passed me by.
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  #70  
Old 08-09-2012, 05:42 PM
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Re: STUCK IN SAND with 4WD malfunction

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Maybe Jeep expects us to all buy Detroit locking doffs?
I'm not so sure about this. Does locking the diffs on sand work?

I've never had diff locks before so never had to worry - my old 2002 Mitsubishi Challanger just has a rear limited slip diff, but I never had any problem on sand with it - never got stuck once - a few close calls but always able to drive out by rocking back and forward. I went on a traning day a few years ago and the first thing the instructer did was get everyone with traction control to turn it off (some people had to look up their manual how to do it) and we used hi range only the whole day. And we went up and down some BIG dunes along the back of Stockton Beach.

Then last night I was watching 4WD TV on TVS (in Aus) and one of the stories was a group doing some sand driving, they found a big sand bowl and were generally hooning around and one of the drivers noted that he was getting bogged far more than the others - a LR Defender I think, the other cars were a mix of Triton, Fourrunner Land Cruiser. Anyway - they worked out that the Defender driver had his rear diff lock engaged and the comment from Simon Christie, the show host, that you should never use diff locks on sand.

I'm fairly certain in lo range in the GC the rear and centre diffs lock - but is this really desirable on sand?

So what is the situation with diff locks?

I think I'll do some research today.
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Old 08-09-2012, 08:42 PM
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Re: STUCK IN SAND with 4WD malfunction

I guess that locked diffs would always dig down in the sand a little when you turn so for that reason they might not be desirable but I would think in a straight run locked diffs would be they ideal thing to have.

As for an update from Jeep, they have decided that I need a new "DYNAMIC ABS SENSOR" but the service writer was not 100% sure that this would take care of the issue. I learned that they already installed TSB 08 034 12 on my first visit. Lets hope this mystery sensor is the root cause then everyone can drive down to their local dealer and get one!!! I have my doubts but at this point anything is better than nothing! Unfortunately I will not be able to get to any sand anytime soon so it may be a few months until I know for sure.
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Old 08-10-2012, 04:59 PM
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Has the TSB been implemented in new production?

Curious- I wonder if the various TSBs have been implemented in new production vehicles.

Rather well illustrates why too much electronic nanny nonsense is a bad idea. Simple is often better. A JGC that can't go through sand? It'd be funny if not true. Sad.
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