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Power Door Lock Control Module

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Old Jun 20, 2025 | 12:09 PM
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Default Power Door Lock Control Module

Hello,
The power windows, electrics mirrors and my doors locks system don't work. All my electric connexions are OK. Autoclockrepair repaired the powers doors locks controls modules and nothing happened.
Do you have en idea ? It'll be kind.
Sorry for my engish. I'm french and I do my best !
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Old Jun 20, 2025 | 12:21 PM
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Post your codes
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Old Jun 23, 2025 | 02:33 PM
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Thank you Dad for the video.
The codes are very simple !
LEFT DOOR CONTROL MODULE : NO COMM
RIGHT DOOR CONTROL MODULE : NO COMM
It's very strange isn't it ?

Thank you for your help.
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Old Jun 23, 2025 | 04:59 PM
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You may not have power to both doors, also check the wiring from the doors to the car, there is a rubber accordion housing where the wires and a couple of connectors. Examine the female contacts of one of the connectors.
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Old Jun 24, 2025 | 02:46 PM
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Thank you mmartinez for the informations. My connectors are in good conditions in the rubber accordion housing.
Whith a window motor, it's happen an stange thing : It stays fixed in dowm position and don't stop so I'm oblige to tak off the fuse.
Strange isn't it !
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Old Jun 24, 2025 | 03:01 PM
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I would verify the fuses for the doors are good. No comms means the door modules are not communicating on the cars seriel data buss, this buss is the way all the cars electronic modules talk to each other, the no comm may simply mean that the doors module have no power.

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Old Jun 24, 2025 | 05:33 PM
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Originally Posted by saintjean
Hello,
The power windows, electrics mirrors and my doors locks system don't work. All my electric connexions are OK. Autoclockrepair repaired the powers doors locks controls modules and nothing happened.
Do you have en idea ? It'll be kind.
Sorry for my engish. I'm french and I do my best !
Faites-vous plaisir et obtenez le manuel d'entretien d'usine ou un compte ALLDATA DIY afin d'avoir accès aux schémas de câblage et aux procédures de dépannage.
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Old Jul 3, 2025 | 11:10 AM
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Hello everybody,
Thank for your help ! It was kind to read french in the text !
I don't fix my issue. I'll let a professionnal to do it !
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Old Jul 3, 2025 | 11:25 AM
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Sorry you haven't got the doors problem resolved, most of us who follow the forum like to be able to read the replies in English, the forum member who replied in French really was trying to be helpful, but I think he should have also included a english reply. Did you check the fuses which provide power to the doors?
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Old Jul 3, 2025 | 11:42 AM
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Originally Posted by saintjean
Thank you Dad for the video.
The codes are very simple !
LEFT DOOR CONTROL MODULE : NO COMM
RIGHT DOOR CONTROL MODULE : NO COMM
It's very strange isn't it ?

Thank you for your help.

If you have “No Comms” to both door modules I would check both of the modules powers and grounds…I would also remove the comb or bus bar off the splice pack or star connector to the left of the BCM…it has 4 wires…clean the comb with emery cloth and reinstall…if this testing is over your seed seek out a shop that does auto electric work.
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Old Jul 3, 2025 | 11:48 AM
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You are looking for Star Connector #2.


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Old Jul 3, 2025 | 12:16 PM
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OK thank you C5 DIAG. I'll test th star connector 2 and I'll feed back information.
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Old Jul 3, 2025 | 01:23 PM
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Originally Posted by saintjean
OK thank you C5 DIAG. I'll test th star connector 2 and I'll feed back information.

For any Module "no comm" the first thing to check are the powers and grounds for that module...if those 2 blades of the comb for both door modules are oxidized you will not have communication with them.
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Old Jul 9, 2025 | 05:51 PM
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I've deleted eight posts in this thread which were not useful to the thrust of the thread. This thread is about someone asking for help on a Corvette issue.

Some of you might benefit from reviewing the following rules:

Hostile posting/personal attack:
Personal attacks/hostility toward others - CorvetteForum - Chevrolet Corvette Forum Discussion

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You are welcome to proceed with comments that address the issue,,but you are not welcome to post hostile comments.
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Old Jul 22, 2025 | 03:32 PM
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End of my storie...
I've bougth two second hand modules doors and all work like new.
I'm very unhappy about the repairer. I've done a claim.
Thank everybody for your help
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Old Jul 23, 2025 | 09:31 AM
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Glad to hear that you have found out that the repaired door control modules were bad, nothing worse then installing a bad part while trying to correct a problem.
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