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Discussion Starter · #1 ·
Okay with all the problems that have been posted in this forum, I knew I was bound to get one of my own - only not this fast (approx. 10k miles on vehicle).

Today, my door ajar light came on, followed by the orange screen displaying that the right-rear door was open. So, I stopped my vehicle and opened and shut the door. The light was still on. I tried it several times with no luck.

I let the car sit for a couple of hours. Later, I started the car. And guess what.....the light had magically disappeared.

I'm thinking that it could have been the result of moisture from all of the rain we have been getting in the Northeast.

Does anyone have any thoughts?

:confused:
 

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I have an 03 since new and we have also had bunch of rain here and I've never had an issue.

Perhaps the door switch got stuck.
 

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Discussion Starter · #3 ·
I believe the switch is part of the locking mechanism. If the door shuts tight then how would the light come on?

I only performed one minor mod with the install of an OEM DIM/HOMELINK/COMPASS mirror. I connected the constant and ignition wires to the (M1) harness at the J/B Fuse Block under my dash. I think the wires were colored Green/Black stripe and Green/light green stripe.

Could that have something to do with it? Does anyone know what those wires are for? I could not identify them from the Service Manual.
 

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biggun said:

Does anyone have any thoughts?

:confused:
Although my MO is fine, for the longest time I had the infamous "door ajar" light lit on my Wife's Taurus wagon. It got to the point where I actually unplugged the interior lights. Unlike the MO, there was no indicator as to which door was in fact, ajar. Plus, it being a wagon, the tailgate and rear window were on that idiot light as well.

Finally, thanks to a forum such as this, I found a cure....

I sprayed all the door mechanisms with WD40. After working the product into the latches, the door ajar light only lights now when a door is in fact, ajar.

The auto lock feature (which I like) also works as intended.

Since you know which door is acting up, you may want to try this remedy. If your latches/swtches did get wet, or even slightly corroded, this may be the ticket

Can't imagine it hurting anything (however, no warranty expressed or implied).

Keep us posted.
 

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Discussion Starter · #5 ·
Thanks guys for your input.

Mr3putt,
Since the door light is know off, I will leave it alone. I just wondered if anyone else has had this problem in the MO. I'm just hoping it won't come back....like after my warranty period.
 

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Discussion Starter · #7 ·
GMTURBO43,

Thanks! At the least - I know I'm not crazy.

Curious - one poster mentioned that their Mo had a plunger type switch. I think mine is integrated with the door latch.
 

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Re: Re: Warning light indicating door open?

Mr3Putt said:
Finally, thanks to a forum such as this, I found a cure....

I sprayed all the door mechanisms with WD40. After working the product into the latches, the door ajar light only lights now when a door is in fact, ajar....

Can't imagine it hurting anything
I would hold off on WD-40.... if you spray that everywhere it will also attrach dirt and dust which may give you issues down the road. If its OK now.... leave it alone.
 

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Curious - one poster mentioned that their Mo had a plunger type switch. I think mine is integrated with the door latch.

Big gun, that was me but at the time it was only an assumption.
I still don't know what the trigger is for this switch.
I'm just glad that it never happened again.
Bob1:)
 

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I find that if I leave any of the four doors or rear hatch open (i.e. not completely latched) the display screen will beep and tell me which door is open after I've driven for about 20 feet.
 

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Interesting, my 03 SE AWD with 44k is now having the rear hatch handle stick kind of halfway between open and closed occasionally which causes the same door ajar warning. It did it twice this last weekend while the wife and I were running errands.

It also disables the latch completely when it's stuck, in that the lock unlock on the key fob doesn't operate, and neither does the latch manually.

The fix is to manually insure that the latch returns to it's closed state, then hit the lock and unlock on the keyfob, and then everything's OK.

Got to check for adequate lubrication on that latch mechanism this weekend.

Wonder if these issues are related in some way?
 

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dklanecky1 said:
Interesting, my 03 SE AWD with 44k is now having the rear hatch handle stick kind of halfway between open and closed occasionally which causes the same door ajar warning. It did it twice this last weekend while the wife and I were running errands.

It also disables the latch completely when it's stuck, in that the lock unlock on the key fob doesn't operate, and neither does the latch manually.


BUMP

Hey this rear hatch thing just started acting up for me. At first, I would just jiggle the handle back in place. Last night however, I really had to play with the handle, press the lock/unlock on the fob, close the trunk, play with the handle. etc., etc., etc...

Long story short, I'm "going in". I plan on popping off the interior panel on the hatch and figure out the problem.

Does anyone have any tips, diagrams, experience or solutions for this issue?

Thanks in advance.
 

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Re: Re: Re: Warning light indicating door open?

Gonzo said:


I would hold off on WD-40.... if you spray that everywhere it will also attrach dirt and dust which may give you issues down the road. If its OK now.... leave it alone.
I agree with Gonzo on this, I have used successfully silicone spray for those areas that would attract dirt. I am still a big fan of WD 40
 

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There is also a dry lubricant with teflon.... oddly enough smells like a new car smell. I wonder if automakers use this stuff in the factory.
 
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