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2003 gmc envoy_slt_xl
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Discussion Starter · #1 ·
About a 6 months after we bought our Envoy the "Driver Door Ajar" message would occaisionally come on when driving. This would happen two or three times in a row, accompanied by the interior lights coming on (briefly) and a change to Driver 1 (me) when my wife was driving in Driver 2 mode. Just a small nuisance.

But now it does it about 12-15 times in a row before stopping, and about every 4 or 5 of these messages the horn gives a brief little honk. When driving in town this can be quite embarrassing depending on the timing of the honk ("No, I wasn't honking at the pedestrian in the tank top...")

Is this the sending unit in the door? Would that cause the little honk?
 

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2003 gmc envoy_slt_xl
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Discussion Starter · #3 ·
I'm at 150000 km. No, we are not using the horn as lock confirmation. I also notice that when I am leaving the vehicle and press the drivers door lock switch, I get the GM "soft ding ding" that tells me the doors will lock once all of the vehicle doors are closed. The same sound occurs with my venture van.

But sometimes for days the double ding sound doesn't occur when I use the switch - and the vehicle doesn't lock automatically when I close my door. But then a few days later, the sound will return and the automatic locking feature will work.

It isn't the lock switch, because even if I don't get the soft ding ding, I can use the switch to force all of the doors to lock immediately (second press of the door lock switch) just as it should.

Could an aftermarket remote start be at fault?
 

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2003 gmc envoy_slt_xl
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325 Posts
Discussion Starter · #5 ·
When we bought the envoy, the remote start didn't work. We didn't want one anyway, so no biggie. Noticed later that our neighbor's remote start would activate the lights on the Envoy (flash a certain number of times to indicate a problem communicating or invalid code- however the neighbor's fob shouldn't be able to activate this). My solution was to disconnect the antennae for the remote start on the windshield. Now the neighbor's fob can't set it off anymore.

But that isn't the same as disconnecting the remote start. It is still wired in and active, just not receiving commands from the fobs. Perhaps I should get some advice on how to actually disconnect the remote start to try to further the diagnosis. If moving this to a different forum would help, that would be fine.

I think it would be best to start by ruling in or out the remote start somehow.
 

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2003 gmc envoy_slt_xl
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Discussion Starter · #6 ·
Roadie is correct once again.

Problem solved. Even though I suspected the remote start, I took roadie's advice and opened the door to check the door wiring. All seemed OK, but I pushed on the wiring bracket and heard and felt a click. Yes, it was connected, but it must not have completely engaged.

A couple weeks of driving and the problem has absolutely gone away. To think that we have put up with this for about half a year. Good thing I checked as roadie suggested rather than remove the remote start.
 
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