Question about 2003 Lincoln Navigator

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My trucks computer tells me there's a door ajar

My trucks computer or dash board tells me there's a door ajar even when they are closed. This is giving me problems with the setting of my alarm system and the dome lights stay on because of this!!!! I even tryed to open and shut the doors several times but get no results!! This happens every so often! What can be the problem??

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  • Anonymous Mar 12, 2009

    my doors do not have a door button for me to push. where should it be located?

    Roland

  • Anonymous May 05, 2009

    I own a 2003 Lincoln Navi and we have the same problem. While driving or sitting at a light the computer says door ajar and the interior lights come on which is a big problem at night. I looked at each door several times and cant seem to find where the switches are located. It is very annoying and sometimes could be dangerous. Please help

  • Douglas May 11, 2010

    does it tell you which door is ajar?

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Running board stuck out

Posted on Jun 15, 2011

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One of your door switches is not fully closing when you close the doors. Check each one and try shimming them where they contact the door. one at a time. see which one turns the dme light off and fix that switch or adjust door. Check liftgate too.

Posted on Feb 24, 2009

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Check each door jamb button (can't think of the correct term). close all doors except one... push the button manually... does the interior light go off... if it does move on to the next door. that will narrow down where the problem is... or it should. it also could be the relay for the interior lights located on the fuse panel under the dash.

Robert

Posted on Feb 24, 2009

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My navigartor was telling me the samething... your back glass door might be open or just unlock.. that solved my problem.

Posted on Feb 26, 2009

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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 .

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