Lift Glass Mystery - JeepForum.com
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post #1 of 14 Old 01-04-2017, 12:38 PM Thread Starter
alumltd
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Lift Glass Mystery

2010 Jeep Grand Cherokee Laredo with 40K miles since new in 6 years!


Lift Glass door is found open each morning mysteriously since it is checked as "CLOSED" each night.

Keys are accessible by no one else other than myself... vehicle in garage all nights.


Occurs only @ night & as we know, 2 presses of "Lift Glass" icon on key fob are required to open!


Both garage door opener and house alarm systems have been checked for possible erroneous signal transmissions which do not occur.


Original OEM #1 key fob allowed inadvertent opening some 3 years ago causing swap out to OEM #2 key fob use only! (#1's battery removed)


Don't feel as if I can be the only owner with this problem... so any assist would be very much appreciated, thanks!


ICC
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post #2 of 14 Old 01-04-2017, 01:46 PM
Chirpz
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Quote:
Originally Posted by alumltd View Post
2010 Jeep Grand Cherokee Laredo with 40K miles since new in 6 years!


Lift Glass door is found open each morning mysteriously since it is checked as "CLOSED" each night.

Keys are accessible by no one else other than myself... vehicle in garage all nights.


Occurs only @ night & as we know, 2 presses of "Lift Glass" icon on key fob are required to open!


Both garage door opener and house alarm systems have been checked for possible erroneous signal transmissions which do not occur.
Original OEM #1 key fob allowed inadvertent opening some 3 years ago causing swap out to OEM #2 key fob use only! (#1's battery removed)
Don't feel as if I can be the only owner with this problem... so any assist would be very much appreciated, thanks!
Hmmm. A Mystery!! Could be MICE!? You could try disconnecting your battery and waiting long enough for everything to die then hook it back up and see what happens. Of course you will lose all your creature comfort setting like Radio buttons, power seat and pedal positions, etc, but that no big deal.

Chirpz
2007 WK CRD, Quadradrive II, OEM Tow Hitch, GDE EcoTune, DPF-Delete, 4xGuard Front, Rear, Belly Guards, Side Rails & Full Matrix, OEM Skids, EHM, Dash Duck.
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post #3 of 14 Old 01-04-2017, 02:43 PM
kryton
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That's definitely odd. Reminds me of 2 mates that had the same age, make, model of car & if parked next to each other, when one locked his, the others rear wiper would do 1 swoop. Phantom electrics at its best
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post #4 of 14 Old 01-04-2017, 05:18 PM
Budasac
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Quote:
Originally Posted by Chirpz View Post
Hmmm. A Mystery!! Could be MICE!? You could try disconnecting your battery and waiting long enough for everything to die then hook it back up and see what happens. Of course you will lose all your creature comfort setting like Radio buttons, power seat and pedal positions, etc, but that no big deal.

I would go the other way first. Remove the battery from the key fob. Check lift glass. Go to bed.

If it's still closed in the morning order a few keys.
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post #5 of 14 Old 01-04-2017, 05:30 PM
Nejeep
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If your 2010 WK has a lift glass release button like my '06, that switch or wires may faulty (wet/corroded) causing the mysterious opening. Have you tried locking the Jeep at night (thus disabling the switch) to see if that prevents the problem?

06 Laredo - 4x4 V6 - Stone White - Custom LED Cargo Area Lights, Lighted Visors Added - now at 49k miles

97 Laredo - 4.0 4x4 Daily driver for 8 years then relocated to Arizona for 6 more years with the relatives
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post #6 of 14 Old 01-04-2017, 08:06 PM
d3m0ns
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mine use to randomly open due to a sticky glass button on my tailgate..if i leave the jeep locked no issues..if unlocked overnight my glass tended to be open the following morning..i pulled it down on the button with a pair of pliers and haven't had any issues since
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post #7 of 14 Old 01-09-2017, 03:11 AM
roncastro
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In my case, the events occurred very occasionally and I think it was because of the sticky trunk button in the key fob.

When I put the key in the pocket, depending on the position and on the things in the pocket, it opened.

I would open the fob and check if the silicone buttons are OK and not sticky. Be careful when you clean it because it is very fragile at the edge of each button.
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post #8 of 14 Old 01-09-2017, 07:21 AM Thread Starter
alumltd
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Nejeep - Yes... it appears that "locking" my WK @ night prevents inadvertent opening ... but I'd prefer not having to do that, if possible!

d3m0ns - Not sure if I get your drift on the "Window" button since mine is all the way "out or fully down" already due spring pressure. Sprayed with WD-40 just as a precaution... but "no joy" with that.

roncastro - Also took keyfob apart & examined pressure switches which appear to be OK along with a test of its battery under load which came out to 3.1 volts... so no luck there either.

A real WEIRDO, eh!

Next will most likely be a call to someone @ dealership to ask if some kind of diagnostic can pinpoint the problem w/o having to take everything apart to examine wiring.

ICC
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post #9 of 14 Old 01-10-2017, 12:06 AM
JeepersMister
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Well that does narrow it down a bit still. If locking prevents it from opening that means the key is not at fault. So it has to be either the latch itself or the button in the lift gate. Or possibly faulty wiring in the lift gate.
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post #10 of 14 Old 01-10-2017, 06:57 AM
Lenny7
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I think people are overlooking the obvious, ghost.
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post #11 of 14 Old 01-10-2017, 07:16 AM
nvrdone1
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or you're pushing the button in your sleep
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post #12 of 14 Old 01-12-2017, 09:10 AM
AHSprite
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This just happen to my XK the first day back to work after the holidays, only I didn't notice that the glass had pop open and was against the garage door so when I hit the garage door opener I was greeted by a pop and the sound of shattering glass.

Needless to say I now check every morning now before opening the garage door
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post #13 of 14 Old 06-12-2019, 06:30 PM
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OK... the key fob was @ fault. It was super sensitive & would open with a super light touch from "anything", not just finger press & sometimes nothing while key was in ignition while driving.
Fix was to open up key fob & remove lift glass contact permanently (since never needed).

After 9 years, key fob's "Lock" button would trigger itself with minimum touch of anything & horn would announce the "lock". Removed that fob from service along with its battery.
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post #14 of 14 Old 06-12-2019, 11:04 PM
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Quote:
Originally Posted by alumltd1 View Post
OK... the key fob was @ fault. It was super sensitive & would open with a super light touch from "anything", not just finger press & sometimes nothing while key was in ignition while driving.
Fix was to open up key fob & remove lift glass contact permanently (since never needed).

After 9 years, key fob's "Lock" button would trigger itself with minimum touch of anything & horn would announce the "lock". Removed that fob from service along with its battery.
I love the follow-up years later!!!

As I was reading through this not seeing that it was a resurrected post. But all I could think of was when the new ram body style came out in 2009. You could get auto down windows, option maybe? Most customers didn't know the truck did it and there were a handful of trucks that came in with angry customers, they went to a restaurant/store and came out to find all their windows down. From what I remember, Ram did away with this option because it was the cause of more anger than pleasure for customers. This required a double tap and hold of the unlock button to run the windows down. It was amazing how often it happened.

My suggestion would have been to take your key out of your pocket when you get home and see if it is still doing it.

Glad you got it sorted out!!!

2005 Jeep Grand Cherokee - Work in progress...
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