Question about 2007 GMC Acadia SLE

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Acadia Power Lift Gate will cycle when at 1/2 open

The lift gate will open automatically to about 1/3-1/2 in the cycle then recycle to close. If it is interupted, the safety latch will not engage and you have to hold it in the open position. One time it failed upon opening after my wife put her head inside the back and the hatch came down on her back/neck. Anything you can suggest to repair this problem would be appreciated. I don't want to pay an arm and a leg to the dealer. 2008 AWD with 51K mileage

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There has been problems with that component,also Saturn Outlook ,has faulty gear, and will have to be calibrated and programmed to vehicle.ll

Posted on Jun 20, 2009

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Posted on Jan 02, 2017

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Out of nowhere the gate light came and started binging. I've tried opening it and shutting it. Nothing works.. The glass rattles on the gate.. Tried tightening everything still no relief


The latch mechanism is defective. It is not getting to the second "closed all the way" position. It has two parts to the latch mechanism that allow it to catch.."safety part" and "closed" part. The micro switch in the latch mechanism is informing you the second "closed" latch has not fully engaged.

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Trouble opening lift gate in 2012 Equinox computer saying rear door open


Hey Karen,

That lift gate has a control module that controls the operation.
It communicates with the latch and other body modules

If the info display is indicating it is open when you know it is indeed shut.....I would suspect the latch assembly. There is a micro switch in the latch that informs the module when the gate is closed.
A scanner is actually the best most efficient way to diagnose this issue. A good independent garage should be able to scan for you for a fee. It will be worth the fee. Also...the lift assist struts are problematic on this particular vehicle. They assist in opening and keeping the lift-gate open.

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GATE LIGHT WON'T TURN OFF


Probably a lift gate latch, the switch that turns the light on in the dash is part of the latch, also check the wiring inside the rubber tube at the top of the lift gate door when it's open, could be a broken wire in there

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Liftgate won't open automatically


To open the lift gate manually, use the door unlock switch located on the drivers door. This should unlock the lift gate as well. Go to the lift gate and lift the handle to open the rear gate.

Your power lift gate is computer controlled. Sometimes there will be a faulty input sensor or part that will show the incorrect data to the computer, therefore the computer will not go through its normal functions.
In most cases its the problem of lift gate latch assembly.

To get it tested and confirmed there is a troubleshoot guide provided by the service center. To perform this troubleshooting guide you will require a scan tool to diagnose the exact problem.

the troubleshooting procedure is as follows:---

Please use the following information below when diagnosing an inoperative lift gate. Disconnect the connector at the lift gate latch assembly. With the lift gate latch connector disconnected, the 3 signals for the ratchet, pawl, and the sector should be inactive on the scan tool.

Install a 3A fused jumper wire between each signal circuit terminal (for the pawl, sector, and ratchet) and the ground circuit terminal 2. Monitor the scan tool as each individual circuit is jumped to ground, the scan tool should read "active".

If either tests above fails, check the wiring for the signal circuits, low reference circuit, or try a power lift gate control module from a known good vehicle. If both tests above pass, monitor the internal switch inputs in the lift gate latch assembly for proper operation.

3. A) with the lift gate in the open position, the ratchet and the pawl should read "active" and the sector should read "inactive"

B) With the lift gate in the secondary latched position, the pawl should read "Inactive" and the ratchet and sector should read "active"

C) With the lift gate fully closed, the pawl, ratchet, and the sector should all read "inactive".

4.If one of the internal lift gate latch assembly switch inputs are not reading correctly in one of the positions above and the vehicles passes test 1 and 2 above. Replace the lift gate latch assembly.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

This should help you.Thanks.Helpmech.

Dec 04, 2010 | 2006 Cadillac SRX

1 Answer

Rear door does not close


Look at the door's locking mechanism. Is the Latch Gate in the down position? Is the Door Mechanism properly tightened to the door? These are Torx/Hex head bolts. Tighten these if needed.
If the Latch Gate is down:
1. Unlock the door.
2. Lift up/out on the Door Handle as if you were opening the door.
3. Use a screwdriver to lift the Latch Gate so it lifts the Gate up and out of the way.
Alot of these Gates have plastic coverings that sometimes split and stick or cause the door mechanism to jam. Inspect the Door Mechanism for anything that could be causing it to jam. Using a pair of needle nose pliers remove any of this split plastic (if so equipped) pulling as much of it off the Latch Gate.
Use WD40 with the red spraying hose on and stick it as many openings you can and lubricate as much of the Door Mechanism as you can.
Check the operations (plural) of the Door Mechanism, Opening and Closing the Gate using the screw driver to push in the Striker Gate causing the Latch Gate to rotate back down into position. Repeat... checking for the Latch Gate to Release Up (on it's own) when you "open" the door. If it doesn't, then there is either jammed or a return spring is broken.
Have you dented or distorted the Door and / or Door Mechanism in the process of trying to slam the door close? You will have to either bend the the door area back to as close to possible the original shape. Use the other door on the other sides as a guide on this. You may have to replace the Door Mechanism itself, as when they are malfunctioning and are slammed (over and over) it could break the Mechanism itself. If the Mechanism is broke, you will have to remove and replace the entire mechanism.
Let me know if this helped, or if you have additional information of questions. Feel free to conatct me at FixYa.com!

Jan 17, 2010 | 2005 Saturn Relay

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The "Lift Gate Open" Light stays on, on the overhead message panel. The actually lift gate is closed securely.


The lift gate latch is at fault the switch contacts in the latch are worn out replace the liftgate latch and your problem is solved

Aug 29, 2009 | 2002 Jeep Grand Cherokee

1 Answer

07 GMC Yukon liftgate will open, but not close automatically


Check on the Strut Assembies on Each side of the Door. There should be a Safety device on them that will allow you to keep the door up, They could be Catching at the Open Position.

Jan 12, 2009 | GMC Yukon Cars & Trucks

1 Answer

Rear power door not working


check the gate suports.. its very common for them to rust at the ends and cause them to bind that will not allow the gate to lift on its own. a click or pop may be heard when the gate is opened or closed.. also if the supports are working right the gate actually moves away from the body when the latch is released. if its stays against the body then try the supports for the gate

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There is a switch in the lift gate latch that closes when the gate is closed and turns off the light, this switch is defective, replace it and the light will go off.

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