Question about 2006 GMC Yukon Xl Denali

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The cargo door and glass is locked, and the actuator will not unlock.

The cargo door is locked and will not unlock.

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  • Sammy96 Oct 12, 2008

    The cargo/hatch rear door and glass is in the locked position and will not unlock with electronic devices, and there is nothing on the inside of the door to manually unlock it and there is no key hole on the outside of the door.

  • winstonmicha Oct 18, 2008

    I have the same issue and it is not a blown fuse. NOTE-the rear tailgate and window does have it's own fuse, so be sure to check your fuse panel first. Location is in your owner's manual, the panel is driver side, lower dashboard and between the dash and door.

  • joevoss2 Nov 15, 2008

    with the EXCEPTION of the tailgate and tailgate window all of the doors lock and unlock.

  • Anonymous Jan 30, 2009

    My key fob and my interior door unlock buttons will not unlock my rear or cargo doors. This is on my 2006 gmc yukon xl.

  • Anonymous Feb 07, 2009

    I have the same exact problem with my 2006 yukon.

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How do you removed the interior cover? for the rear door actuator?

Posted on Jun 05, 2009

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I have the same problem. The rear door actuator is bad. you have to remove the interior cover and pull on the 2 cables that release the hatch door catch. replace the lock actuator assembly

Posted on Apr 30, 2009

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2005 Buick Rendezvous you can hear the relay clicking but the door locks will not open and close


Check for broke wires inside the boot from body to driver door , this is a common problem . If you don't find broke wire's , pull the door panel to get at driver door switch . Check for voltage an ground circuit .
Rendezvous Door Lock System Components
The power door lock system consists of the following components:
?€¢
Body control module (BCM)


?€¢
Driver door lock switch


?€¢
Front passenger door lock switch


?€¢
Door lock actuators in each of the doors


?€¢
Door lock system fuse into the BCM (BCM D 25A fuse)


Door Lock Operation
When the BCM detects a transition of either of the door lock switches to the LOCK position, it switches the door lock actuator lock control circuit to voltage. Since the lock actuator unlock control circuits are at ground potential within the BCM, the door lock actuator motors transition to the Lock position.
Driver Door Unlock Operation
When the BCM detects a transition of either of the door lock switches to the UNLOCK position, it switches the driver door lock actuator unlock control circuit to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the LF door lock actuator motor transitions to the Unlock position.
The driver door lock actuator unlock control circuit is a dedicated control circuit used only for the driver door lock actuator motor. This is done so that the driver door may be unlocked by itself using a keyless entry transmitter or an automatic door unlock function (if programmed).
Passenger Door Unlock Operation
When the BCM detects a transition of either of the door lock switches to the UNLOCK position, it switches the door lock actuator unlock control circuits to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the passenger door lock actuator motors transition to the Unlock position.
The door lock actuator unlock control circuits are dedicated control circuits used only for the passenger door lock actuator motors. This is done so that the driver door may be unlocked seperate from the passenger doors using a keyless entry transmitter or an automatic door unlock function (if programmed). This video on testing computer controlled door locks on a Subaru , doesn't matter . test yours same way > The BCM controls your door locks .
Are all of the power door locks inoperative from both door lock switches?

Oct 12, 2016 | 2005 Buick Rendezvous

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How do I open the cargo door if it wont open?


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Back lift gate/glass would not open or release. Even when unlocked with the key fob or the unlock switch on the drivers/passenger door. ... How To Install Replace Rear Lift Gate handle 2002-09 GMC Envoy Chevy Trailblazer ...

Jan 16, 2016 | 2002 Chevrolet Tahoe

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Why does my 2004 Chevy Silverado lock and unlock while in drive? When turned off and no keys in ignition the drivers door will unlock on its own a short time later.


Gremlins ! HA HA HA sorry ! First off a little bit on how they work an what all is involved in making them work ! There are a few control modules in the mix , switches ,relays etc...
Door Lock System Components
The power door lock system consists of the following components:
?€¢
The driver door module (DDM)

?€¢
The passenger door module (PDM)

?€¢
The body control module (BCM)

?€¢
The driver information center (DIC)

?€¢
The rear door lock switch

?€¢
The door lock relay

?€¢
The door unlock relay

?€¢
The liftgate lock relay--utility vehicles with liftgate only

?€¢
The reversible door lock actuators in each of the doors and liftgate

?€¢
LOCKS 20A fuse (rear lock/unlock relay supply voltage)

?€¢
ECC 10A fuse (liftgate lock relay supply voltage)

Door Lock System Controls
The power door lock system can be controlled by any of the following:
?€¢
A power door lock or unlock switch activation

?€¢
A keyless entry transmission

?€¢
An automatic door lock function

?€¢
A delay lock function

?€¢
Door lock cylinder switch activation

?€¢
Lockout Prevention

?€¢
An airbag deployment

The front power door lock switches are integral components of the driver door module (DDM) and passenger door module (PDM). The switches are two position normally open rocker switches. When placed in either the lock or unlock positions, the switches provide a direct input to the DDM or PDM. The DDM or PDM monitors these inputs and sends a Class 2 message indicating a change in the switch's respective position. Modules which activate the power door lock motors receive the Class 2 message and activate the motor in the appropriate direction to lock or unlock the vehicle's doors and liftgate. The rear door lock switch provides a lock and unlock signal to the body control module (BCM). The BCM upon receipt of a lock or unlock signal will control the rear door lock relays and also send a Class 2 message to the DDM and PDM to perform the appropriate function.
The modules which activate the power lock motors are:
?€¢
The DDM (driver door lock actuator).

?€¢
The PDM (passenger front door lock actuator).

?€¢
The BCM (both rear door lock actuators and cargo door/liftgate).
The DDM and PDM are directly connected to the respective door lock actuator through the door lock motor lock and unlock circuits. Once a door lock or unlock request has been received, the module will supply battery voltage to one side of the actuator and ground the other causing the doors to lock or unlock.
The rear passenger and cargo doors differ slightly in that they use lock and unlock relays. The relays supply and coil sides receive a constant voltage through the battery voltage supply circuit. The normally closed contacts are connected to ground and the control side is connected to the BCM. Once a door lock or unlock request has been received by the BCM, the BCM will ground the control side of the appropriate relay. This energizes the relay and allows voltage to be applied to either the door lock motor lock or unlock circuits. since the other side of the door lock actuator is connected to the normally closed contacts of the opposing relay to ground, the doors lock or unlock.
The first place to start is have a factory or equivalent scan tool hooked up , one that can read BCM DTC'S - diagnostic trouble codes ! This could lead to a fix faster ! Watch these three videos !
Door Locks Go Crazy 1

Sep 16, 2015 | Cars & Trucks

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The rear passenger door locks do not work on our 1999 GMC Suburban. I've checked the fuses and they all work; I tried to physically pull the lock button but it will not move: and I attempted to open the...


If the lock button doesnt move look like you door lock actuator jam you have to find a way to move the rear panel by the inside and unlock it manualy

Mar 22, 2015 | 1999 GMC Suburban

1 Answer

DOOR LOCK ON DRIVERS SIDE WONT WORK


key is manual lock and electric assisted unlock . charge the battery with red screw on fuse panel Use key to unlock turning to rear.
Place key in ignition then turn on and off 8 times leaving it in on position until it beeps approx 5 sec then press any button on the key and turn ignition off.

Mar 05, 2013 | 2012 Ford Transit Connect Cargo Van XL...

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I have a 99 gmc suburban that has a issue with the rear cargo door not locking or unlocking. The other doors work fine but not the rears doors ? The cargo door lock switch in the rear works and powers...


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Feb 27, 2011 | GMC Suburban Cars & Trucks

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Thank you for your response , been going crazy here...got panel off enough to put hand in but don't know where to pull to unlock door.



Jaguar 2000-06 - Locks & Lock Systems
Power Door Locks - Removal & Installation

Door Lock Switch
Door Lock Diagnosis & Testing

  1. Visually inspect the following:
    Misaligned door(s), hood or luggage compartment lid Door latches Actuating rod Exterior door handle Interior door handle Door lock cylinder Cable Luggage compartment lid exterior release switch Fuse(s) Wiring harness Electrical connector Door lock actuator Remote transmitter batteries Vehicle battery Remote transmitter Door lock switch Front electronic module
  2. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

Door Lock Motor
Coupe And Convertible
  1. Turn ignition key to position II.
  2. Motor door glass to fully raised position.
  3. Turn ignition key to position O.
  4. Disconnect the negative battery cable.
  5. Remove door casing for access.
  6. Remove door water shedder.
  7. Position PVC secondary water shedder for access.
  8. Slacken and remove the door glass rear runner lower securing screws.
  9. Reposition door glass rear runner. Mark the position of the glass rear runner upper securing screw.
  10. Slacken and remove the upper securing screw and move the runner away from the glass.
  11. Disconnect door handle and lock barrel (driver door only) operating rods from latch links.
  12. Slacken and remove the three latch assembly securing screws and position latch for access.
  13. Remove latch motor harness multiplug from mounting bracket and disconnect multiplug.
  14. Release operating cable from door handle. Move inner door handle to the locked position. Remove operating cable outer abutment from support bracket. Disconnect cable inner from door inner handle.
  15. Remove lock motor assembly from door.
  16. To install, reverse removal procedure.

    zjlimited_378.jpg

    Fig. Removing door lock actuator


Sedan
  1. Remove the door window glass
  2. Detach the interior door handle.
  3. Detach the actuator remote cable from the interior door handle.
  4. Remove the interior door handle.
  5. Detach the door window glass run.
  6. Remove the exterior door handle retaining screws.
  7. Remove the front door actuator retaining screws.
  8. Reposition the front door actuator and exterior handle.
  9. Remove the front door actuator and exterior handle.
  10. Disconnect the front door actuator remote cable.
  11. Detach the door lock cylinder connecting rod (1).
  12. Detach the exterior door handle connecting rod (2).
  13. Remove the front door actuator (3).
  14. To install, reverse removal procedure.

    zjlimited_379.jpg

    Fig. Removing door lock motor-Sedan



Hope this helps.

Dec 31, 2010 | 2002 Jaguar X-Type

2 Answers

All my doors unlock but the tailgate and glass won't .


it could be the lock actuator or a disconnected wire to the actuator.

Jul 05, 2009 | 2005 Chevrolet Tahoe

2 Answers

Power Door Lock Problem


The last post by maddog1321 was exactly what I had with my right rear door. The electric locks would not lock and unlock, and you almost couldn't do it manually without my feeling I was about to break something. I took the door panel off, oiled everything and got no relief. Finally, I saw the above post and drilled out the aft-most pop-rivet. THE WINDOW WORKED PERFECTLY! I didn't drill out the forward (closest to the handle) pop-rivet because I wanted to do one at a time so the solenoid would not fall out of place. I then put a new pop-rivet in place of the one I drilled out. I then reinstalled everything and the locks work like new.

Jul 31, 2008 | 1999 GMC Suburban

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