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Unread 11-18-2014, 10:05 AM   #1
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2008 WK 
Join Date: Jul 2009
Location: San Diego, CA
Posts: 26
Dashboard Went Haywire - lost gauges, lights stuck on

2008 Jeep Grand Cherokee Limited. Last night while I was waiting to make a left turn, my car's dash went haywire, all these lights went on, all the "warnings" were cycling through, the turn signal arrow was stuck on (turn signals stopped working), the radio completely went black, the seat warmers shut off, and the speedometer and tachometer and temp gauge stopped working and went to 0.

It stayed this way for the rest of the drive and I was able to go home.

Turned the car off, turned it back on, issue persisted. Couldn't use the key fob to lock the car - it was totally unresponsive.

Turned it off again and got out of the car and watched it for awhile, and the dash illumination stayed on with just the gauges backlit and the one turn signal arrow still on.

Left it overnight and all the panels did shut off. Started the car this morning, all seems back to normal except the check engine light is on.

I took it to the dealer this morning and they want $120 to diagnose it. I decided not to do it today as I have a lot of appointments and if the car's working I need to drive it.

Does anyone have any idea? Did the module freeze? Is this a one off or will this keep happening and should I definitely get it looked at?

Also, I obviously need to get the codes read for the check engine light, but can I just take this to a private place for less $$$?

Not a car tech wizard so any advice would be appreciated

Also, I did replace the battery about 2 months ago by AAA because the old battery left me dead one day. Hadn't had any problems since then though.


Last edited by hgsouth; 11-18-2014 at 10:21 AM.. Reason: added some details
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Unread 11-18-2014, 12:03 PM   #2
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2006 WK 
Join Date: Mar 2009
Location: Sheffield Lake, OH
Posts: 771
Its hard to tell with out a code reading. Some of these WK owners have had trouble with the turn signal stalk. Also, the ignition switch on the WK's are being recalled.
2006 G.C.65th Anniv. Edition
2007 Liberty Sport 3.7
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Unread 11-18-2014, 12:44 PM   #3
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2007 WK 
Join Date: Sep 2007
Location: Tampa, FL
Posts: 46
How old is your battery? I've heard older batteries can make the electrical go haywire. May be worth to do a load test at an auto parts store to rule it out.

Nevermind, missed that you already had it checked.
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Unread 11-18-2014, 05:19 PM   #4
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2007 WK 
Join Date: Aug 2007
Location: Menchaca, Texas
Posts: 576
the Auto Zone and O Reilly stores in my area will read your code(s) for free.

Your battery, though new, is still a suspect....
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Unread 11-18-2014, 07:41 PM   #5
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2005 WK 
Join Date: May 2011
Location: New York, NY
Posts: 49
I had that happen to me every so often on my last wk. Never figured it out but I did manage to figue out that when I disconnected the battery and reattached it all of the problems went away and the jeep returned to normal.
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Unread 11-18-2014, 09:01 PM   #6
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Join Date: Feb 2014
Location: NW, Arkansas
Posts: 715
Always Jeep owners who complain of this. I am curious what it is about them that makes the JEEP so prone to this. Serious question. Tagged for interest.
Traded the '10 WK w/Hemi and QD2 in on 5/15/15 for a '15 mazda CX-5 2.5L AWD Touring. Happier!
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Unread 11-18-2014, 09:51 PM   #7
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2008 WK 
Join Date: Jan 2009
Location: Thunder Bay, Ontario
Posts: 839
Had that happen twice after a new battery install. Pull your cables, clean the posts and the cable ends then reinstall, make sure the cables are tight. Mine loosened off but I never noticed they were loose until I went to add another wire for my lights.
2008 CRD QDII, OME HD, Pintlers wheels with 265/70/17 Goodyear Silent Armour's, Jeepinbyal UCA's. 4XGuard Front guard, Side Guard, belly guard, Matrix HC. GDE ECO Tune w/ delete.
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