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Old Nov 11, 2019 | 04:20 PM
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Default Door lock

I have a 2001 convertible. The fobs (both of them) will lock and unlock the passenger door but will only unlock (not lock) the driver door. All other functions of the fobs are working properly. Any help in troubleshooting would be appreciated.
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Old Nov 12, 2019 | 12:48 PM
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It is probably not the fob. I have the same issue in the passenger door and I think it is an actuator or solenoid of some sort.
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Old Nov 12, 2019 | 01:04 PM
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What happens when you push lock/unlock on the passenger door?
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Old Nov 12, 2019 | 04:32 PM
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Same thing is happening with my 2001 coupe. The driver's door will not lock with the fob or with the lock button on the door itself. I'm pretty sure it's the actuator.. when I get around to doing a speaker upgrade and have the door panel off, I'll fix it then. For now it's no big deal to just manually lock the door when I get out.
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Old Nov 12, 2019 | 08:19 PM
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The lock/unlock button on the passenger door works as it should.
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Old Nov 12, 2019 | 08:24 PM
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Originally Posted by MadMax96
Same thing is happening with my 2001 coupe. The driver's door will not lock with the fob or with the lock button on the door itself. I'm pretty sure it's the actuator.. when I get around to doing a speaker upgrade and have the door panel off, I'll fix it then. For now it's no big deal to just manually lock the door when I get out.
I just checked and mine is working the same as yours, the driver door will not lock with the button on the door or the fob. Both the fob and the button, however will unlock the door. I agree that it's no big deal, it just bugs me when things don't work right.
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Old Nov 12, 2019 | 09:42 PM
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It’s not the actuator If the lock unlock works on the door.
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Old Nov 12, 2019 | 10:31 PM
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Silver Dollar, do a search on 'door control modules'.

The door control modules have a number of relay's in them and there are numerous threads that discuss them and their functions. The symptoms you've mentioned sound as if they can be related to the failure and some of these posts cover how to remove and replace a failed relay.

Good luck... GUSTO
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Old Nov 13, 2019 | 03:08 AM
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Here are a couple of links that might be helpful.

Look on page 3 for first link

Attached Images
File Type: pdf
Power Door Locks.pdf (563.0 KB, 157 views)
File Type: pdf
Door Module.pdf (1.39 MB, 175 views)
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Old Nov 13, 2019 | 01:11 PM
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Originally Posted by GUSTO14
Silver Dollar, do a search on 'door control modules'.

The door control modules have a number of relay's in them and there are numerous threads that discuss them and their functions. The symptoms you've mentioned sound as if they can be related to the failure and some of these posts cover how to remove and replace a failed relay.

Good luck... GUSTO
do a search on your tube for scruffs garage door module. He walks you through the repair.
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Old Nov 13, 2019 | 07:46 PM
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Or of you don't feel up to the challenge of replacing relays, you can send your door module to a repair shop and have them do it. That's what I did.
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Old Nov 17, 2019 | 09:57 PM
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FWIW the service history for my new to me C5Z shows a quote for replacement of both door modules and the HVAC display at a cost of 2k + 5 hours. The old ones were in the trunk and both work so I assume it was done...



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Old Nov 18, 2019 | 09:13 AM
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Here is a good video on how to replace relays in the door module
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