Jeep 2012 Wrangler 4 door sport unlimited.. When I go from park to drive or reverse..once it engages gear..there is a squeak that sounds as if brake squeaking sort of..it doesn't do this till after warm..driving for a bit..I then can hold the brake while switching to drive..then to reverse..then to drive..it does this noise everytime then..also, it will do after I've cut the engine off..the dealership thought maybe a solenoid or maybe transmission..but, it drives perfect far as transmission..it only does this a split second after going into drive, reverse, or after engine shut off..sometimes when in 1st gear it seems..it's an automatic btw. Any help would be greatly appreciated!!!

Please Help! 2005 Jeep Wrangler Engine Suddenly Stops While ...

www.wranglerforum.com/.../please-help-2005-jeep-wrangler-engine-sud...
Oct 11, 2009 - 30 posts - ‎17 authors ... suddenly stopped on my 2005 Jeep Wrangler TJ while I was driving. ... 20 seconds later, engine suddenly died exactly as it did last week. electrical problem? shuts off while driving
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the adjuster inside the drum disk must be turned back to re leave the tension, the if you need to adjust you can take up slack on the cable adjuster after you re install the drum/disc, and re tighten the tension-er then you can repeat this until parking brake hold's

I'm not clear on what you mean by: "Mode Light".
there are dozens of indicators on the dash, and some of them have multiple functions.
on model year 2010 and up, there is an "Eco Mode" that displays on the left display, with tachometer.
there are also specific warning codes that flash across the odometer display, with the speedometer. A particularly lethal code is: "Hot Oil". I experience this code driving 8 mph in the soft sand dunes of the outer banks NC. Less than 3 minutes later I lost all forward and reverse gears. The automatic transmission had overheated, due,to the the fact that Wrangler JK's do not engage the torque converter in 4WD High range until 3rd gear. So use Low-Range with automatics 2007-2012. The 3.6L 8-speed automatics do not have this problem 2013-newer.
Can you describe the color, location, shape, and possibly provide a picture?

On these issue, there are few solved help links for troubleshooting the issue easily.-------

Click the link below: ---

No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

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4X4 Truck makes roaring noise in the front end?

http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html

-------------

Car will not go into 4WD high or 4WD low?

http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

--------------

No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

------------

4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

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4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

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2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

----------

Traction control switch will not engage on 4WD High or Low

http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

-----------

4WD light flashing and 4WD will engage after few minutes

http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html

------------

2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?

http://technoanswers.blogspot.in/2012/05/2008-toyota-tundra-4x4-wheel-drive.html

----------

4x4 front differential will not engage the axle on ford?

http://technoanswers.blogspot.in/2012/02/4x4-front-differential-will-not-engage.html

-------

4x4 will not engage on Ford F150?

http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html

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Dodge Ram 4x4 light keeps flashing

4X4 LOW LIGHT IS FLASHING ON DASH

http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html

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Ford 4x4 front wheels will not engage?

http://technoanswers.blogspot.in/2012/02/ford-4x4-front-wheels-will-not-engage.html

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These details will help.

Thanks.

4X4

On these issue, there are few solved help links for troubleshooting the issue easily.-------

Click the link below: ---

No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

-----------

4X4 Truck makes roaring noise in the front end?

http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html

-------------

Car will not go into 4WD high or 4WD low?

http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

--------------

No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

------------

4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

----------

4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

----------

2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

----------

Traction control switch will not engage on 4WD High or Low

http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

-----------

4WD light flashing and 4WD will engage after few minutes

http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html

------------

2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?

http://technoanswers.blogspot.in/2012/05/2008-toyota-tundra-4x4-wheel-drive.html

----------

4x4 front differential will not engage the axle on ford?

http://technoanswers.blogspot.in/2012/02/4x4-front-differential-will-not-engage.html

-------

4x4 will not engage on Ford F150?

http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html

-------------

Dodge Ram 4x4 light keeps flashing

4X4 LOW LIGHT IS FLASHING ON DASH

http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html

----------

Ford 4x4 front wheels will not engage?

http://technoanswers.blogspot.in/2012/02/ford-4x4-front-wheels-will-not-engage.html

-------------

These details will help.

Thanks.

Depending on the make and model, it could be the control switch on the dash or the switch that moves the gears in the transfer case.

The related help links to troubleshoot the problem is as follows:---
Click the link below:---
Grinding noise when Clutch pedal is Pushed? http://howtobyme.blogspot.in/2012/05/2001-toyota-celica-grinding-noise-when.html Toyota Celica Noisy Clutch? http://howtobyme.blogspot.in/2012/05/toyota-celica-noisy-clutch.html

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No Clutch Pedal No pressure http://whatisbyme.blogspot.in/2012/07/no-clutch-pedal-no-pressure.html 2006 Cadillac cts-v Clutch Getting stuck? http://schematicsdiagram.blogspot.in/2012/04/2006-caddiliac-cts-v-clutch-getting.html

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Clutch squealing sound? http://schematicsdiagram.blogspot.in/2012/04/clutch-squealing-sound.html 1995 Jeep Wrangler: Clutch Failed? http://whatisbyme.blogspot.in/2012/06/1995-jeep-wrangler-clutch-failed.html

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Clutch squeaking under hood? http://repairhelpcenter.blogspot.com/2012/01/clutch-squeaking-under-hood.html Clutch pedal drags and grabs while changing gears? http://schematicsdiagram.blogspot.in/2012/03/clutch-pedal-drags-and-grabs-while.html Clutch slipping problem? http://howtobyme.blogspot.in/2012/03/clutch-slipping-problem.html

--------
These wil help.
Thanks.

Did you check your ATF level? I have an ATF leak somewhere and when my ATF gets really low my auto trans will keep slipping out of gear until I dump another quart or two of ATF fluid into the trans.

It could be lash in the differential which is normal, but it could also be a loose u-joint in the driveshaft. Check the rear driveshaft u-joints.

HELLO , SOUNDS LIKE YOUR TRANS IS BAD KEEP IN MIND 1 GEAR AND REVERSE IS SAME GEAR SORRY BUT YOU MUST HAVE IT REPLACE OR OVERHAULD .