Question about 2006 Cadillac Escalade Ext

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Lift gate and glass won't open

It won't open manually or by remote control, i have no clue on what caused it or what to do

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  • onxperl Dec 28, 2008

    my lift gate and glass wont open. my lift gate and glass is keyless

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Sounds like it is stuck in lock position probably the power lock actuator gone bad. does it have a key hole in it? if so try unlocking manually

Posted on Oct 02, 2008

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I have 2005 chevy tahoe my doors all licks but my liftgate door with window stays open use to lock w all my doors? I havent check anytjing yet? I cant lock it.


Here is how it works !
Liftgate Locking Operation
The lift gate will lock any time the vehicle is shifted out of park on vehicles equipped with an automatic transmission and at vehicle speeds exceeding 5 kph with manual transmission. This happens in conjunction with auto door locks if enabled or independently of auto door locks if the feature is disabled. This ensures that the lift gate is locked anytime the vehicle is shifted out of park or when the vehicle is in motion.
The lift gate lock relay supply and coil sides receive a constant voltage through the battery voltage supply circuit and the ECC fuse. The normally closed contact is connected to ground and the control side is connected to the body control module (BCM). A lock function will occur when a door lock switch activation, keyless entry lock transmission, auto door lock function or a lift gate lock function has been received by the BCM. The BCM will then ground the control side of the lift gate lock relay. This energizes the relay and allows voltage to be applied to the lift gate lock actuator lock control circuit. Since the other side of the lift gate lock actuator is connected to the normally closed contacts of the door unlock relay to ground, the lift gate will lock. When an unlock function occurs the BCM will ground the control side of the unlock relay and the rear doors and lift gate will unlock.
The BCM also runs diagnostics on the lift gate lock relay control circuit and will set DTC B3825 as current and also send a Class 2 message to the DIC. The DIC will display REPLACE LIFTGATE FUSE to inform the driver that a fault has been detected in the lift gate lock circuit and that the lift gate is not locked. Faults that will set the DTC and cause the DIC to display the message could be any of the following:
?€¢
An open ECC fuse


?€¢
An open or short to ground in the lift gate lock relay battery positive voltage circuit


?€¢
A faulty lift gate lock relay


?€¢
An open or short to ground in the lift gate lock relay control circuit


?€¢
A short to ground in the lift gate lock actuator lock control circuit


?€¢
A faulty BCM

May 14, 2016 | Cars & Trucks

2 Answers

Back hatch won~t open with remote or inside door locks will open manually nothing stuck or jammed?


Found this wiring diagram for lift gate, if that is what we're talking about? Not only check the fuses, check fuse circuit for voltage. Use a testlite.
26171360-b5nbw0bij3qhlohrlmfokh55-1-0.jpg

Apr 21, 2016 | 2008 Pontiac Torrent

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LIFTGATE MOTOR WENT OUT. HOW CAN I OPEN THE DOOR MANUALLY?


chevy tahoe lift gate not opening - YouTube

? 2:12
www.youtube.com/watch?v=xU6ybiY3F4I
Sep 1, 2010 - Uploaded by 76bluemoon Back lift gate/glass would not open or release. ... Wow, are you sure? .... known issue with tahoe, suburbans, hummers and othergmc vehicles. ... 2007-2012 Yukon Denali Rear Door Lock Actuator Replacement ... 2004 GMC Yukon XL rear liftgateremoval - Duration: 50:17. by Velvethamma 5,814 views.

Aug 08, 2015 | 2007 GMC Yukon XL Denali

1 Answer

How do I opened locked tailgate buttons don't work or key switch?


will glass pop open with remote or key ,whe nyou turn handle if so you may need to remove tailgate trim panel to acess handle assy so you can open it by moving lock rods inside tailgate panel

Dec 17, 2014 | 2008 Lincoln Navigator

1 Answer

I have 2004 and the back hatch will not open,only use remote control to open ok,before I can manual open don';t need use remote control.


I have one doing the same thing right now you have to pull the inside cover off and free up the latch system it is probably the locking part of the latch

Oct 19, 2014 | 2004 Buick Rendezvous

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2006 jeep liberty rear lift glass won;t close


Mine did this too....the latch kept getting stuck. If you put the key in the ignition and unlock the power doors, pull on the gate door (don't open it, just enough to release the latch), and it should come out so the hatch will latch.

Feb 18, 2013 | 2006 Jeep Liberty

1 Answer

Power liftgate will not open with remote, instrument panel control or button in rear cargo on lincoln mkx


It can be faulty switch or its issue with lift gate latch.Its got stuck up hard or cracked inside.It has to be inspected.-----------
There are few help links with proper solutions for these problem.I suggest you to refer the links.
Click the link below:----
2007 Mercury Mountaineer: Liftgate will not Unlock or Open? http://whoisbyme.blogspot.in/2012/06/2007-mercury-mountaineer-liftgate-will.html
------------
Adjust Hydraulic Lifters? http://schematicsdiagram.blogspot.in/2012/04/adjust-hydraulic-lifters.html
-----------
How to open rear lift gate? http://repairhelpcenter.blogspot.com/2011/12/how-to-open-rear-lift-gate.html

--------- Power Liftgate Shuts Down http://whoisbyme.blogspot.in/2012/07/power-liftgate-shuts-down.html
------------ Power Lift Gate Will Not Remain Open http://whoisbyme.blogspot.in/2012/07/power-lift-gate-will-not-remain-open.html
----------- Power Lift-gate will not Operate http://whoisbyme.blogspot.in/2012/07/power-lift-gate-will-not-operate.html
------------- Liftgate will Not Stay Up Open? http://whoisbyme.blogspot.in/2012/07/liftgate-will-not-stay-up-open.html

---------------- Rear Door will not open http://whoisbyme.blogspot.in/2012/07/rear-door-will-not-open.html
------------ 2000 Toyota Corolla: Rear Door wont open from outside or inside? http://whatisbyme.blogspot.in/2012/05/2000-toyota-corolla-rear-door-wont-open.html

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

These details will help.
Thanks.

Nov 25, 2012 | 2007 Lincoln MKX AWD

1 Answer

2007 Yukon Denali XL lift glass is opening when I use the fob to open the rear hatch. This causes me to be unable to then close the rear hatch via the fob


This sounds like you have a grounding problem with your hatch circuits. This type of malfunction usually occurs when two systems (the hatch lift and the Lift glass release) are supposed to be sharing the same ground, but one of the systems has a bad connector or a broken wire. It then "activates" the other system by grounding THROUGH the system that it is supposed to be sharing ground with.

What I would do in your case is to take a HARD look at the wires that are in the conduit that runs between the lift gate and the body. These wires flex every time the lift gate is opened and closed, and are prone to breakage.

The way you describe it, it sounds like the lift gate motor is losing contact at about 1/3 to 1/2 of the way up, and that is when it grabs ground through the glass release solenoid.

Jun 13, 2012 | 2007 GMC Yukon XL Denali

1 Answer

It seems that I have a short in my wires. My tail lights wont stay on. My problem is the lift gate is stuck and I cannot access the lights. When u use the remote to open the doors it makes a funny sound....


You should be able to remove the trimpanel on the lift-gate. then at the location of the striker in the middle-bottom of lift-gate you should be able to access a rod. Grab the rod with pliers, if pliers won,t fit the rod connects to a metal lever attached to the striker assembly, pry the lever away from the striker and this should release you gate....Good Luck!!!

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2 Answers

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