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Message center says the door (liftgate) is ajar but it is not 2002 yukon xl

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Rear hatch keeps opens while driving...


Unless you have electrical diagnostic skills , I suggest you take this to the dealer ! The lift gate can be opened by operating the switch on the instrument panel. Battery voltage is supplied to the liftgate actuator through the body control module (BCM). The BCM will pulse the lift gate actuator when a release input is received through the key fob, or the instrument panel switch.
The body control module (BCM) receives an input from the liftgate ajar assembly. The ajar assembly is normally open when the liftgate is fully closed. When the liftgate is opened, the ajar assembly contacts close providing a path to ground. The driver information center (DIC) illuminates the rear access open message when the gate is open. The instrument panel cluster (IPC) receives a serial data message from the BCM indicating the liftgate ajar status. If this message is displayed and the vehicle speed is greater than 8 km/h (5 mph), a chime will sound.
It could be ajar switch is bad .

Dec 16, 2015 | 2012 Chevrolet Equinox LS 4dr SUV 2.4L...

1 Answer

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

2008 Cadillac srx power tailgate opens fine, but won't close with the remote. I can't hear the motor. The auto close button doesn't work either. Is there a fuse or relay? If so where is it?


An electronic control module controls it .
The liftgate module (LGM) controls operation of the liftgate latch motor and the liftgate actuator assembly. Do you have a Liftgate Ajar Indicator ON ? Or a message in the message center driver information center (DIC) illuminates the LIFT GATE AJAR indicator ? The liftgate control module could have a DTC - diagnostic trouble code in memory !

When open, the liftgate can be closed by either a keyless entry transmitter or the liftgate close switch. When a GMLAN serial data message or switch input is seen, the liftgate module begins the close sequence. The liftgate motor is reversed, lowering the liftgate until it latches into the liftgate latch. Once latched, the latch will cinch the liftgate to a fully closed position.
Power liftgate function will only be allowed if certain operating criteria are met. Any of the following may cause the power liftgate not to function:
?€¢ Vehicle is not in park. ?€¢ Engine cranking is present. ?€¢ Temperature limits have been exceeded. ?€¢ Liftgate motor overcurrent is detected. ?€¢ Excessive hall effect counts are seen. ?€¢ System voltage is out of range. ?€¢ A DTC is set that disables power liftgate functionality. The liftgate also receives inputs from 2 object detection sensors. If either of these sensors indicate an object is in the path of the liftgate, liftgate functions will be suspended until the object is removed.

Aug 03, 2015 | Cadillac Cars & Trucks

2 Answers

Hi I have a 2006 Lincoln navigator the air suspension pump will not turn on the vehicle dynamics module is not turning on the pump relay because in the pid data the drivers door says it is ajar when it is...


Hey Jeff, any U- codes stored in any modules ?
U1900 Missing CAN message(s) Door(s) ajar, PRNDL, 4x4, instrument cluster (IC), running boards, vehicle speed REFER to Section 418-00 . U2023 Invalid CAN message(s) Door(s) ajar, PRNDL, 4x4, instrument cluster (IC), running boards, vehicle speed REFER to Section 418-00 .
L4 CHECK THE VDM FOR DOOR AJAR INPUT
  • Key in ON position.
  • Monitor VDM door position status PID.
  • Close all doors, liftgate, liftgate glass and power running boards.
  • While observing the diagnostic tool, open and close one door.
  • Does the door status PID change between CLOSED and AJAR states?
When you open an close the driver door you have no PID change ,right ?
L4 CHECK THE VDM FOR DOOR AJAR INPUT
  • Key in ON position.
  • Monitor VDM door position status PID.
  • Close all doors, liftgate, liftgate glass and power running boards.
  • While observing the diagnostic tool, open and close one door.
  • Does the door status PID change between CLOSED and AJAR states?
The door ajar input is an input to the Vehicle Security Module , then transmitted over the bus ! You'll have to find a diagram for the med. speed CAN data bus .

Jan 09, 2015 | 2006 Lincoln Navigator

2 Answers

GMC yukon xl liftgate is very heavy and has no


Can't recharge, but can get new at any big parts store chain like autozone, Pep boys etc. Not too expensive if I recall.

Jul 12, 2009 | 2002 GMC Yukon XL

1 Answer

Liftgate ajar light on when liftgate is closed when driving interior light are on. I open and close liftgate, but no such luck liftgate ajar light on and all interior lights when driving


I recently had a similar problem with the "liftgate ajar" light lighting randomly on my 2001 PT Cruiser. It was even occurring AFTER I had disconnected the "ajar sensor" on the liftgate. Finally found that 5 wires were broken, one of them the liftgate ajar sensor wire, in the wire bundle that leaves the top of the liftgate and goes into the chassis. I suspect that those broken wires would randomly trigger. Inline spliced the wires and resealed the bundle. Everything looks good for now, although time will tell.

Jun 28, 2009 | 2002 Chrysler PT Cruiser

1 Answer

My passenger's door open indicator is on but the door is closed. Where is the indicator located? 2005 freestar. Thanks


Normal Operation When any door or the liftgate is opened, the ajar switch provides a ground signal to the smart junction box (SJB). When the door or liftgate is closed, the ajar switch opens, removing the ground signal. The SJB uses the multiple inputs from the ajar switches to determine whether the doors or the liftgate are in the open or closed position. The SJB then provides a message to the instrument cluster over the communication network. The message center uses this information to display the door/liftgate ajar message.

I suspect your door switch is not closing all the way.

Mar 28, 2009 | 2005 Ford Freestar

2 Answers

Yukon xl rear door won't unlock and there is no manual lock.


I fixed mine by using fine steel wool to clean the brass contacts located at the right upper door frame on the right door as viewed from the rear of the vechicle.

Mar 12, 2009 | 2003 GMC Yukon XL

1 Answer

2003 yukon , left rear door ajar shows on dash


You have a problem with the door ajar switch being shorted, or not closing. Some are in the latch assembly, and some are in the door.

Mar 07, 2009 | 2003 GMC Yukon XL

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