driver door ajar warning

2004 MERCURY SABLE
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MDAWSON448
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Interior problem 6 cyl Front Wheel Drive Automatic 123000 miles

my driver door ajar warning message started coming on today while i am driving or parked. it evidently activates or deactivates even when turned off. if i lock my car, the horn will start honking after a few minutes because it thinks someone is opening the door while locked. i'd like to fix it myself, but would be happy now just to deactivate the panic alarm feature so i can at least lock my car without the horn going off. thanks
Sep 9, 2010 at 9:01 PM
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STRAILER
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Hello,

This means the micro switch inside the door latch has gone bad and the latch on the drivers side needs to be replaced.

You will need to remove the door panel to get started the guide will give you an idea of what you are in for when doing the job.

https://www.2carpros.com/articles/door-panel-removal

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
Sep 10, 2010 at 4:29 PM