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C5 Door Locks - Weak/Not Working with Remote

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Old 12-28-2016, 01:16 PM
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jaysuzi
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Default C5 Door Locks - Weak/Not Working with Remote

I know there are a number of items on this topic, but I wasn't finding one that seems to fit my particular situation. On my C5, the door locks will not unlock using the key fab. It tries, I can tell it is getting a signal, but it won't full unlock. I can see a very slight movement, but not enough to unlock. It will lock it about 1/2 the time. I just got through trying WD40 on all of the mechanical parts, but that did not have any improvement. Does anyone have a suggestion on the next thing to try? I don't think I need to replace the activator as I am getting a signal, but it is weak. The battery seems fine for everything else, so I am doubtful it is that. Also, the key fabs seems to work - they are sending the signal fine. I really thought it was a mechanical issue, but just not sure now.
Old 12-28-2016, 02:28 PM
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huesmann
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Do they lock when you use the interior switch?
Old 12-28-2016, 06:04 PM
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jaysuzi
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Originally Posted by huesmann
Do they lock when you use the interior switch?
No, pretty much the same behavior. They it will lock (maybe 1/2 the time or more), but will not unlock.
Old 12-28-2016, 06:05 PM
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jaysuzi
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Originally Posted by 8VETTE7
What year car???????
It is a 2002
Old 01-01-2017, 06:33 PM
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02BlownZ06
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Originally Posted by 8VETTE7
Sounds like the relays on the Door Control Module are about to give up the ghost. Pretty common issue:

https://www.corvetteforum.com/forums...post1587396862

Bottom relay is LOCK next one up is UNLOCK

If you don't want to do the relay replacement yourself here is one company that will provide an already repaired DCM:


www.autoclockrepair.com

There may be others if you search Ebay.
Thank you for that link!! I have similar prob with my driver side lock and have been trying to figure out how to repair it.

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