Question about 2003 Lincoln Navigator

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I have a 2005 Navigator. Sometimes the liftgate works correctly. Other times it will close via remote, then immediately reopen. Sometimes, I must stop it manually, then push it closed by hand so I can drive away. It will also open once in the closed position on occasion, when I close a door on the vehicle. I notice that it usually does not fully latch when closed manually.

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1 Answer

Jeff Armer

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  • Lincoln Master
  • 15,575 Answers

Electronic's , aren't they great ? There is a control module (power lift gate module ) Switch (sensor) inputs to the module . Lift gate obstacle detection strip right and left , liftgate cinching motor ,liftgate unlatch motor .Liftgate drive motor assemblys left and right . Probably a bad switch feeding bad voltage signal to the control module ! Like one of the obstacle detection sensors maybe. Could possibly have DTC'S - diagnostic trouble codes stored in the control module. Your best bet maybe to have the dealer run diagnostic's on it , check for codes . Need a factory or professional type diagnostic tool to do this. I would say you mite be able to check the sensor inputs to the module , don't know what or how much voltage > Some of these circuit's are a five volt signal from the module . Ohm check the obstacle detection sensor ? I still think best thing would have it checked for DTC'S . Almost forgot about the thing opening when you close another door , All the modules on the vehicle are connected on what is call a serial data network . Doors have modules inside as well .could be commanding that door open some how.
If you would like to see what your up against , here is a web site for free wiring diagrams http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine size. Under system click on body & accessories , then under subsystem click on power liftgate. Click the search button ,then the blue link. The second diagram down starts liftgate diagrams . Good luck !

Posted on Sep 06, 2017

  • Jeff Armer Sep 06, 2017

    Power Liftgate Module Diagnostic Trouble Code (DTC) Index

    Power Liftgate Module Diagnostic Trouble Code (DTC) Index DTC Description Source Action
    B1342 ECU Is Defective Power Liftgate Module INSTALL a new power liftgate module. REFER to Power Liftgate Module in this section.
    B2477 Module Configuration Failure Power Liftgate Module REFER to Section 418-01 .
    B2522 Vbatt1 Circuit Failure Power Liftgate Module Go To Pinpoint Test B .
    B2552 Vbatt2 Circuit Open Power Liftgate Module Go To Pinpoint Test B .
    B2698 Vbatt2 Circuit Failure Power Liftgate Module Go To Pinpoint Test B .
    B2699 Left Pinch Strip Open Or Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2700 Right Pinch Strip Open Or Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2701 Left Pinch Strip Stuck Active Power Liftgate Module Go To Pinpoint Test B .
    B2702 Right Pinch Strip Stuck Active Power Liftgate Module Go To Pinpoint Test B .
    B2703 Open/Close Switch Stuck Active Power Liftgate Module Go To Pinpoint Test B .
    B2704 Optical Sensor Power Short To Ground Power Liftgate Module Go To Pinpoint Test B .
    B2705 Optical Sensor 1 Input Not Active During Powered Gate Movement Power Liftgate Module Go To Pinpoint Test B .
    B2706 Optical Sensor 2 Input Not Active During Powered Gate Movement Power Liftgate Module Go To Pinpoint Test B .
    B2709 Gate Open Output Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2710 Gate Close Output Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2711 Gate Open Output Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2712 Gate Close Output Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2713 Unlatch Output Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2714 Uncinch Output Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2715 Cinch Output Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2718 Gate Ajar Output Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2721 Gate Ajar Output Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2722 Open/Close Switch Active During Self-Test Power Liftgate Module Go To Pinpoint Test B .
    B2723 Glass Position Switch Active During Self-Test Power Liftgate Module Go To Pinpoint Test B .
    B2724 Forkbolt Switch Invalid During Self-Test Power Liftgate Module Go To Pinpoint Test B .
    B2725 Detent Switch Invalid During Self-Test Power Liftgate Module Go To Pinpoint Test B .
    B2726 Home Switch Invalid During Self-Test Power Liftgate Module Go To Pinpoint Test B .
    B2819 Gate Motor Circuit Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2820 Gate Motor Circuit Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2821 Cincher Motor/Unlatch Actuator Short To Ground Or Open Power Liftgate Module Go To Pinpoint Test B .
    B2822 Cincher Motor/Unlatch Actuator Short To Battery Power Liftgate Module Go To Pinpoint Test B .
    B2825 Movement Ceased Due To Excess Speed Deviation Power Liftgate Module Go To Pinpoint Test B .
    B2903 Chime Output Circuit Short To Battery Power Liftgate Module/ Liftgate Chime Module Go To Pinpoint Test C .
    C1935 Chime Circuit Failure Power Liftgate Module/ Liftgate Chime Module Go To Pinpoint Test C .
    U1950 UBP Communication BUS Fault UBP Communi cation REFER to Section 418-00 .
    U2338 Invalid ACM Message Data Power Liftgate Module REFER to Section 418-00 .
    U2242 Invalid 4WAS Message Data 4WAS Module REFER to Section 308-07A .
    U2403 Invalid CSM Message Data Vehicle Security Module REFER to Section 418-00 .
    U2406 Invalid IC Message Data Instrument Cluster Module REFER to Section 413-01 .
    U2469 Power Liftgate Disabled By Customer Interface Instrument Cluster Module Turn power liftgate on at message center.
    U2470 Unexpected Keyfob/Keypad Button Press Power Liftgate Module Go To Pinpoint Test A .
    U2471 Unexpected PRNDL State Power Liftgate Module REFER to Section 419-10 .
    U2472 Unexpected IGN State Power Liftgate Module REFER to Section 418-00 .
    U2473 Unexpected Vehicle Speed Instrument Cluster Module/ Powertrian Control Module REFER to Section 413-01 .
    U2528 PRNDL Data Mismatch Power Liftgate Module/ Instrument Cluster Module Go To Pinpoint Test D .

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3 Related Answers

jpnuke115

  • 4 Answers

SOURCE: My 2003 LIncoln Navigator liftgate is not working.

check relay and fuses,make sure that automatic liftgate is on. You will have to to the command center and go through the defaults and make sure that the system is on. if you are not comfortable doing that, disconnect battery for approximate ten minutes, this will reset the system defaults.

Posted on Jul 23, 2009

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Anonymous

  • 105 Answers

SOURCE: what do i need to do my door ajared light keep

THE ACTUATOR IS BROKEN FOR REAR DOOR AND THE DOOR AJAR LIGHT IS ONE OF THE BUTTONS LOCATED IN THE DOOR JAM MALFUNCTIONING

Posted on Dec 09, 2009

Mike Driver

  • 71 Answers

SOURCE: Liftgate will not stay open. When you push button

HilAry when the lift gate goes to the open position does it make a grinding noise when it reaches the fully opened position and then closes, If so the gear driven assembly may have had a tooth broken on one of the gears and has striped out causing the gate to fall back down. If this is not the case meaning there is no grinding noises coming from the gate then you have a ecm module that operates the functions of the gear driven unit telling it when to stop and go down. If this is the problem you might want to take it to the dealership to program the new unit. I hope this helps.

Posted on Dec 18, 2011

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1 Answer

Envoy hatch lock


There is a known TSB for this....
#07-08-52-003: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE)/Key Fob Transmitter/Door Lock Switch, Lifgtate Hatch or Liftgate Glass May Lock/Unlock When Rear Liftgate Glass Button Depressed - (Sep 13, 2007)


Subject: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE), Key Fob Transmitter or Door Lock Switch, And/Or Liftgate Hatch Or Liftgate Glass May Lock Then Unlock When Rear Liftgate Glass Button is Depressed (Reposition Lock Cylinder Wave Washer and Adjust Lock Rod)


Models: 2005-2007 Buick Rainier

2005-2008 Chevrolet TrailBlazer, TrailBlazer EXT, TrailBlazer SS

2005-2008 GMC Envoy, Envoy XL, Envoy Denali

2005-2008 Saab 9-7X




--------------------------------------------------------------------------------
Do This
Don't Do This

Reposition liftgate lock cylinder wave washer and adjust lock rod.
DO NOT replace the liftgate latch or actuator.


Condition
Some customers may comment on one or more of the following conditions:

• The rear liftgate glass may not lock when using the remote keyless entry (RKE), key fob transmitter or door lock switch unless the lock is pressed a second time.

• The rear liftgate or glass locks, but may be unlocked when the rear liftgate lock cylinder button is depressed.

• The rear liftgate locks but the liftgate glass may not lock.

Cause
These conditions may be caused by one or all of the following:

• The rear liftgate cylinder lock rod may be out of adjustment.





• The wave washer on the liftgate lock cylinder may be out of position with the cup side down.

• Excessive movement or slack in the lock rods at the liftgate bell crank assembly.





• The liftgate lock cylinder pawl may contact the rear liftgate glass latch when the lock cylinder button is depressed.

Correction
Important: Do Not remove the rear liftgate lock cylinder from the vehicle to perform this repair.

Reposition the rear liftgate lock cylinder wave washer and adjust the lock rod using the steps below.

Verify the customer's condition.

Open the liftgate.

Remove the upper liftgate garnish molding.

Remove the rear liftgate trim panel.

Remove the cylinder lock rod from the threaded lock rod retaining clip.

Tip
Place the tip of a screwdriver blade into the opening of the C-clip and slowly rotate the screwdriver to pry out the C-clip from the shaft. Then use needle-nose pliers to remove the C-clip.

Remove the C-clip from the rear liftgate lock cylinder push button and remove the wave washer.

Install the wave washer with the cup side up.

Position the wave washer with the curved edges of the wave spring parallel to the tabs on the lock cylinder shaft.

Important: Use needle-nose pliers to slightly squeeze the C-clip back into shape. Make sure the clip seated, you should feel a snap and hear an audible click.

Install the C-clip onto the shaft and in the slot using needle nose pliers. Then rotate the pawl several times to make sure the C-clip does not rotate. If the clip rotates then the clip is not fully seated.

Position the lock cylinder pawl to the full clockwise position.

Pull up on the cylinder lock rod to remove any slack in the bell crank.

Install the cylinder lock rod into the threaded lock rod retaining clip while removing any slack from the lock rod linkage.

Close the lock rod retainer clip.

Close the liftgate assembly.

Open the liftgate glass while keeping the liftgate closed.

Use the key fob to cycle the liftgate to the lock and unlock position while inspecting the rear liftgate pawl. The lock cylinder pawl should have clearance between the latch as shown above. If the pawl is contacting the latch, readjust the cylinder lock rod.

Verify that the customer's condition has been corrected.

Install the rear liftgate trim panel.

Install the upper liftgate garnish molding.

Apr 14, 2014 | GMC Envoy XL Cars & Trucks

1 Answer

Rear liftglass won't lock


#07-08-52-003: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE)/Key Fob Transmitter/Door Lock Switch, Lifgtate Hatch or Liftgate Glass May Lock/Unlock When Rear Liftgate Glass Button Depressed - (Sep 13, 2007)


Subject: Rear Liftgate Glass May Not Lock When Using Remote Keyless Entry (RKE), Key Fob Transmitter or Door Lock Switch, And/Or Liftgate Hatch Or Liftgate Glass May Lock Then Unlock When Rear Liftgate Glass Button is Depressed (Reposition Lock Cylinder Wave Washer and Adjust Lock Rod)


Models: 2005-2007 Buick Rainier

2005-2008 Chevrolet TrailBlazer, TrailBlazer EXT, TrailBlazer SS

2005-2008 GMC Envoy, Envoy XL, Envoy Denali

2005-2008 Saab 9-7X




--------------------------------------------------------------------------------
Do This
Don't Do This

Reposition liftgate lock cylinder wave washer and adjust lock rod.
DO NOT replace the liftgate latch or actuator.


Condition
Some customers may comment on one or more of the following conditions:

• The rear liftgate glass may not lock when using the remote keyless entry (RKE), key fob transmitter or door lock switch unless the lock is pressed a second time.

• The rear liftgate or glass locks, but may be unlocked when the rear liftgate lock cylinder button is depressed.

• The rear liftgate locks but the liftgate glass may not lock.

Cause
These conditions may be caused by one or all of the following:

• The rear liftgate cylinder lock rod may be out of adjustment.





• The wave washer on the liftgate lock cylinder may be out of position with the cup side down.

• Excessive movement or slack in the lock rods at the liftgate bell crank assembly.





• The liftgate lock cylinder pawl may contact the rear liftgate glass latch when the lock cylinder button is depressed.

Correction
Important: Do Not remove the rear liftgate lock cylinder from the vehicle to perform this repair.

Reposition the rear liftgate lock cylinder wave washer and adjust the lock rod using the steps below.

Verify the customer's condition.

Open the liftgate.

Remove the upper liftgate garnish molding.

Remove the rear liftgate trim panel.

Remove the cylinder lock rod from the threaded lock rod retaining clip.

Tip
Place the tip of a screwdriver blade into the opening of the C-clip and slowly rotate the screwdriver to pry out the C-clip from the shaft. Then use needle-nose pliers to remove the C-clip.

Remove the C-clip from the rear liftgate lock cylinder push button and remove the wave washer.

Install the wave washer with the cup side up.

Position the wave washer with the curved edges of the wave spring parallel to the tabs on the lock cylinder shaft.

Important: Use needle-nose pliers to slightly squeeze the C-clip back into shape. Make sure the clip seated, you should feel a snap and hear an audible click.

Install the C-clip onto the shaft and in the slot using needle nose pliers. Then rotate the pawl several times to make sure the C-clip does not rotate. If the clip rotates then the clip is not fully seated.

Position the lock cylinder pawl to the full clockwise position.

Pull up on the cylinder lock rod to remove any slack in the bell crank.

Install the cylinder lock rod into the threaded lock rod retaining clip while removing any slack from the lock rod linkage.

Close the lock rod retainer clip.

Close the liftgate assembly.

Open the liftgate glass while keeping the liftgate closed.

Use the key fob to cycle the liftgate to the lock and unlock position while inspecting the rear liftgate pawl. The lock cylinder pawl should have clearance between the latch as shown above. If the pawl is contacting the latch, readjust the cylinder lock rod.

Verify that the customer's condition has been corrected.

Install the rear liftgate trim panel.

Install the upper liftgate garnish molding.

Jan 17, 2012 | 2009 Saab 9-7X

1 Answer

I just bought an equinox 2005 LS and I dont know how to lock the rear door.


To unlock the liftgate, press the unlock button on the Remote Keyless Entry (RKE) transmitter twice or use the power door lock switch.
To lock the liftgate, press the lock button on the RKE transmitter or use the power door lock switch. The liftgate does not have a key lock cylinder.
To open the liftgate, pull up on the handle located in the center of the liftgate.
When closing the liftgate, use the molded handles to pull the liftgate down. Push the liftgate closed until it latches.

Jul 08, 2011 | 2005 Chevrolet Equinox

1 Answer

How can i Open and Close my Lincoln Navigator 2005 Door locks and slide gate by using door pin code


As lomg as you have the factory code the procedures are as follows: To unluck the drivers side dorr, simple push in the 5 digit code. If you want to unluck the other doors & liftgate, after you push in the 5 digit code and the drivers door unlocks push the 3/4 button within 5 seconds and if you want you can open the liftgate window by pushing the 5/6 button within 5 seconds. If you want to lock all doors and liftgate, after the drivers side door is closed you can push the 7/8 & 9/0 button at the same time and all the doors & liftgate will lock. As far as the sliding door, no the keypad cannot be used for that. the only other function I believe you can do with the keypad is to activate or deactivate the autolock & you can also store a personal 5 digit code as well. This should be in your owners manual if you have one. If you do not and would like a copy, you can email me at [email protected] with your make, model and year and I will be happy to email you a copy. I hope this helps and good luck.

Jun 01, 2011 | 2005 Lincoln Navigator

1 Answer

Linclyn navigator 2007- the rear liftgate was manually shut without using the button control. Now the liftgate will not open. One dealer suggested depressing the lock/unlock control several times to...


can you open it manually? try leaving it open and disconnect the battery and wait a couple minutes before plugging it in. after you plug it in, try to close it with the button or remote. seems like the system doesn't know at what position the door is is, so it won't open it. give it a try.

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1 Answer

Liftgate motor and suspension compressor not turning on.


replace your remote battery or some wire is making a bad touch or disconnected

Jul 23, 2009 | 2003 Lincoln Navigator

2 Answers

2003 where is the modules for the liftgate in a 2003 lincoln Nav


tascafordparts.com for discount.

The liftgate actuator and remote control are in the liftgate.
The module is in the left rear quarter trim panel.


SECTION 501-03: Body Closures 2003 Expedition/Navigator Workshop Manual
REMOVAL AND INSTALLATION Power Liftgate Module Removal and Installation
NOTE: Prior to removal of the power liftgate module, it is necessary to upload module configuration information to a diagnostic tool. This information needs to be downloaded into the new power liftgate module once installed. For additional information, refer to Section 418-01 .
  1. Remove the rear quarter trim panel. For additional information, refer to Section 501-05 .
  1. Remove the power liftgate module.
    1. Disconnect the electrical connectors.
    1. Remove the bolts.
89dd4de.gif
  1. NOTE: Once the new power liftgate module is installed, it is necessary to download the module configuration information from the diagnostic tool into the new power liftgate module. For additional information, refer to Section 418-01 .

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

Principles of Operation
The power liftgate is controlled by the power liftgate module.
The power liftgate module receives inputs from:
  • glass position switch (determines the ajar status of the liftgate glass).
  • forkbolt switch (determines the primary position of the latch).
  • detent switch (determines the secondary position of the latch).
  • home switch (determines the power cinch status).
  • power liftgate control switch (activates the power liftgate from the interior of vehicle).
  • pinch strip switches (determines if an obstacle is detected between the pinch strip and liftgate).
  • instrument cluster module (activates and sets the options for the power liftgate).
  • optical sensor (determines the direction, travel speed and obstacle detection of the liftgate).
  • UBP serial communication link.
The power liftgate module sends outputs to:
  • liftgate motors.
  • power cinching latch system.
  • liftgate chime module.
  • body security module
------------------------------------------------------------------------------------

The liftgate consists of the following components:
  • liftgate window glass latch
  • door lock actuator (power liftgate only)
  • liftgate latch
  • liftgate handle
  • liftgate latch remote control (power liftgate only)
  • liftgate ajar switch
  • chime module (power liftgate only)
  • -------------------------------------------------

Apr 14, 2009 | 2003 Lincoln Navigator

1 Answer

Remote Entry System not working, 05 Chrysler T&C


there is an update foe the body control module that will generally fix the problem. you will ned to take it to the dealer to have it done.

Dec 31, 2008 | 2005 Chrysler Town & Country

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