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Old 07-11-2015, 02:43 PM   #26
crakarjax
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Re: Weird Door Sensor Problem.

why not just post the fix here if its so easy??? can someone please repost it, im having the same issue.
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Old 07-11-2015, 06:51 PM   #27
Sierraslt03
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Re: Weird Door Sensor Problem.

right ! Why did you not just ask. Humidity problem
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Old 07-18-2015, 09:44 PM   #28
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Re: Weird Door Sensor Problem.

I tried WD-40 in the lock area but am still having problems. I guess I could take the assembly out and clean it up, but I'm thinking that I'd be better off just replacing the assembly. Anyone know if it's straightforward to do on an '05 (Suburban Z71) and the part number by chance?
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Old 11-09-2015, 05:56 PM   #29
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Re: Weird Door Sensor Problem.

Haven't been on the site for a while. I have since sold the truck, but the last I talked to someone it seemed like it was a BCM issue. Never really wanted to deal going that far into it so I just dealt with it. Sorry I couldn't be more help.
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Old 11-10-2015, 01:12 PM   #30
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Re: Weird Door Sensor Problem.

Actually since about a week after the WD-40, I haven't had problems. I think it needed to soak in and expel the moisture? In any case, I didn't even noticed that it was fixed until finding this thread again.
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Old 11-10-2015, 02:11 PM   #31
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Re: Weird Door Sensor Problem.

so what was the fix exactly...and why isn't it posted so people can learn it. why all the private messaging? I'm having a similar problem and would appreciate if someone could post it up!

Jack
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Old 11-10-2015, 02:35 PM   #32
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Re: Weird Door Sensor Problem.

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Originally Posted by Mr-Jack View Post
so what was the fix exactly...and why isn't it posted so people can learn it. why all the private messaging? I'm having a similar problem and would appreciate if someone could post it up!

Jack
I never sent or received PMs, just shot some WD-40 into the latch assembly and that seems to have expelled whatever moisture was in the latch.
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Old 11-14-2015, 08:16 PM   #33
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Re: Weird Door Sensor Problem.

This problem can be caused by a power window and door lock switch. Especially the one in the driver's door.

For example, on my 3500 crew cab, when the window switch was damaged, the door locks acted up, it gave messages that a door was open, the dome light functions when the doors opened and closed were all screwed up, and the retained accessory power function was not working.

It seems damned near every door related function goes through the door lock and window switches. On my crew cab, for example, everything except the door speaker works through the master power window/power door lock/power mirror switch, including the driver's door switch and the seat heater.
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Old 11-16-2015, 06:33 PM   #34
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Re: Weird Door Sensor Problem.

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Originally Posted by Longhorn4x4 View Post
This problem can be caused by a power window and door lock switch. Especially the one in the driver's door.

For example, on my 3500 crew cab, when the window switch was damaged, the door locks acted up, it gave messages that a door was open, the dome light functions when the doors opened and closed were all screwed up, and the retained accessory power function was not working.

It seems damned near every door related function goes through the door lock and window switches. On my crew cab, for example, everything except the door speaker works through the master power window/power door lock/power mirror switch, including the driver's door switch and the seat heater.
I never tried that route. I did switch out the switches on the rear doors thinking that was it, along with new latches. I did try WD40, numerous times, but didn't work for me.
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Old 11-16-2015, 11:40 PM   #35
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Re: Weird Door Sensor Problem.

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Originally Posted by JohnC View Post
Haven't been on the site for a while. I have since sold the truck, but the last I talked to someone it seemed like it was a BCM issue. Never really wanted to deal going that far into it so I just dealt with it. Sorry I couldn't be more help.
What are you driving now?
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Old 11-17-2015, 12:09 AM   #36
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Re: Weird Door Sensor Problem.

We had a truck in the shop last week same deal with the passenger rear door tech replaced the driver door latch assembly and boom problem solved I guarantee nothing when it comes to electrical issues I just know what my tech did to solve the issue on that truck.
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Old 11-17-2015, 06:12 PM   #37
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Re: Weird Door Sensor Problem.

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What are you driving now?
I know I will get blasted for saying this, but...... a F150.

Before I get drilled too much just know that it was my dad's truck, and I was able to buy it from my stepmom when he passed away. So it's very sentimental, aside from the fact that I do like it a lot more than the 03 GMC.

I do however have another Trailblazer SS
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Old 11-18-2015, 01:21 AM   #38
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Re: Weird Door Sensor Problem.

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I know I will get blasted for saying this, but...... a F150.

Before I get drilled too much just know that it was my dad's truck, and I was able to buy it from my stepmom when he passed away. So it's very sentimental, aside from the fact that I do like it a lot more than the 03 GMC.

I do however have another Trailblazer SS
Sorry
I didn't mean to all you out lol

What color is your TBSS?
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Old 11-18-2015, 05:33 PM   #39
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Re: Weird Door Sensor Problem.

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Sorry
I didn't mean to all you out lol

What color is your TBSS?
It's another black one. 07 2wd. This makes our third one so far. We had the black 06 that you remember us having, this one is just like that essentially. In between we had a 06 silver AWD one. Still regret selling it, but we were trying to be sensible. We also had another Mustang in there along the way.

Last edited by JohnC; 11-18-2015 at 05:40 PM.
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Old 11-18-2015, 06:22 PM   #40
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Re: Weird Door Sensor Problem.

Screw sensibility lol
I'm surprised all of the TBSS' aren't AWD
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Old 01-22-2017, 09:46 AM   #41
Mstang0928
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Re: Weird Door Sensor Problem.

Sierraslt03, can you help me. 2003 chevy 1500hd, right rear door ajar. Replaced the sensor in actuator, still didnt help. Now dome light stays on unless I hit the override button and the dimmer wheel is not all the way up.

Last edited by Mstang0928; 01-22-2017 at 10:04 AM.
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Old 01-23-2017, 07:43 AM   #42
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Re: Weird Door Sensor Problem.

Fixed the problem!!! When I installed the door ajar sensor, the direcrion were not right. I had to adjust the little gear that shows the door shut. Once I did this, no more door ajar.
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