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passenger door won't lock by remote or with auto lock

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Old Jun 24, 2006 | 01:24 AM
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Default passenger door won't lock by remote or with auto lock

What gives? My son opened the door and the darn alarm went off. I had just locked the car with the remote so it took me a couple of seconds for the problem to even register.

I sat inside and it wouldn't lock unless I reached over and flicked the lever.

It will unlock via remote or the automatice switch.
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Old Jun 24, 2006 | 07:15 AM
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sounds like the door module may have gone out. new replacements aren't cheap, but i got a used one from a parts car that fixed the same problem.
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Old Jun 24, 2006 | 08:43 AM
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IT is tough to diagnose... without a techII scanner
It could be a loose connection to the door control module (DCM)
It could be a burned relay within the module ($2 + soldering)
It could be the DCM circuit board ( $400 new, $50-100 used)
or
It could be the door lock actuator....
without the TechII it is trial and error....
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Old Jun 24, 2006 | 08:25 PM
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Originally Posted by rws.1
IT is tough to diagnose... without a techII scanner
It could be a loose connection to the door control module (DCM)
It could be a burned relay within the module ($2 + soldering)
It could be the DCM circuit board ( $400 new, $50-100 used)
or
It could be the door lock actuator....
without the TechII it is trial and error....
It could also be a broken wire. I called Chevy Roadside Assistance because I locked my keys in the car. The goon they sent out started working ont the passenger door with a slim jim but couldn't get it open. So he moved over to the driver's side and wa able to get that one open.

Over the course of the rest of the day, I'm finding that the passenger door is no longer locking either with the fob or the buttons. So I take the door panel off and find a broken wire. Very fine (maybe 22 guage) that was fairly difficult to repair. That's the last time I call them for help.

From now on, I get someone to take me home for my spare set of keys.

cc
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Old Jun 27, 2006 | 04:02 PM
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Thanks for the help!
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Old Jun 27, 2006 | 05:48 PM
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If you want to try and ithe DCM here is a link to a CF members site with a how to for replacing the relay on the circuit board

http://www.ronjpics.com/Corvettestuff.htm
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Old Jun 28, 2006 | 12:37 AM
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Wow, what a great tip! Thanks!!!
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