service 4WD system ........... -
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post #1 of 7 Old 10-01-2006, 04:17 PM Thread Starter
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Location: ottawa ontario canada
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service 4WD system ...........

hello, just bought an 06 grand cherokee with quadra trac 2, 4.7 V8, my wife and I were travelling with cruise on doing 110 km an hour when the chime went off and in the display was this message " service 4WD system " then it went out hasn't come back on since.Everything seems normal , near my house I went on some back roads and checked the low 4x4 mode, went in and out of low to high several times as per manuals instructions, works fine.....any ideas...thx in advance.

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post #2 of 7 Old 10-01-2006, 05:13 PM Thread Starter
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fix found

see link...i guess i'll bring it in to service soon....
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post #3 of 7 Old 10-09-2006, 04:20 PM
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There is a service bulletin on it. its a false reading. I got the same thing, they just have to flash the computer.

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post #4 of 7 Old 10-14-2006, 01:45 PM
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Location: Grand Lake, CO
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Service Four Wheel Drive System

It means that a sensor is bad (acting erratically) and needs to be replaced. Happened onmine-replaced no problem.
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post #5 of 7 Old 10-15-2006, 03:22 AM
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It may never come back on. It happened to me last year after I got my Rocky Mountain (Sept 26) on one cold morning as I was going to church. When I got out, it had already reset itself and has never reappeared.

If it doesn't come back on, don'e worry about it. If it does, you can always take it to the dealer.



2005 WK Rocky Mountain Edition 4.7 (mine)
2006 XK Commander T Package 4.7 (wife's)
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post #6 of 7 Old 10-15-2006, 05:07 PM Thread Starter
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final drive control module flashed

Hello thx for the replies, I had the final drive control module flashed with updated per the technical bulletin I found. What annoy's me about this whole situation is that as a consumer I had to go into the dealer and ask them to do the work...they only do the reflash (or any technical bulletin)if the costumer ask's for it, they won't do it even if they know of it and your in there for say an oil change, I realize it is warranty work and they can't upsell warranty work. Thats fine with me I bookmarked the site for tsb's and will be sure to visit them when and if I see one pertaining to my vehicle.

Technical Service Bulletins
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post #7 of 7 Old 10-16-2006, 09:51 PM
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2005 Cherokee Laredo

This past Friday, I bought a used 05 WK with the 3.7 and 4wd. with 20,000 miles. Got it off of eBay.

I am hearing a very slight growling sound coming from the front end when driving it. I have a 4wd 03 dodge pickup that does not have any noise at all from the front. However it is not full time like the 5Qdra Trac 1 system

This WK was a rental car, and apparently seems to be in good shape. It is still under factory warranty. I called the nearest jeep dealer today and spoke with the service dept. He said they would check it out.

Any of you folks ever noticed this kind of noise coming from the front end.

I am pleased with the jeep. I am getting about 22 mpg. I use it as a work car and drive it about 100 miles a day. Don't plan to do any serious off road driving with it at our ranch.
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