Question about Cars & Trucks
The driver door won't lock or unlock with the remote or with the door lock switch. All of the other doors operate with the remote
This sounds like you may have a bad lock actuator, there is an actuator that controls the lock, it may need replacing, you will need to remove the door panel to gain access to it, then with a testlight you will test to make sure the actuator is getting power and a ground and if it tests good for power and ground then replace it and door lock will start working again, this part is about 30.00 dollars. here is a picture of it. good day
Posted on Mar 10, 2013
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Posted on Jan 02, 2017
the other locks work correctly.
quick fix is to clean the contacts that the door makes when you close it. there are contacts on the door pillar (probably look like little copper circles) on the door itself there will be some spring loaded contacts... make sure they work freely and are clean.
Posted on Sep 08, 2008
sorry not sure the 12v prob will help this swtich works on 5v off 3v unlock 1v lock single wire lock/unlock logic signals
I found wiring diagrams at
it is 2004 but use the wiring diagrams to test the wires
(most likely to fail where they flex)
because it is using logic gates disconnect the plug at each end of the wire you are testing or the damn thing will find a few diffrent ways to trick you.
Posted on Apr 21, 2009
SOURCE: Drivers Door Lock Problem
You will probably need to replace the power door lock actuator.
Here's a link to one similar to yours.
You can probably get a used one from a salvage yard.
Try this site to find one near you:
If you need more help post a comment.
Posted on May 01, 2009
the passenger door switch pack controls all door locks as this is the receiver from the remote you might want to try this and also check connections
Posted on Jun 22, 2009
The linkage is probably broken or snapped out of place from inside the door panel.
You'll feel that the handle is much easier to move than the other doors.
If you are confident and able, take the door apart removing the screws and snap pieces and look for the missing linkage. It's usually a snap piece that holds a rod in place on the back of the handle. They break all the time, or dry rot, or jarr out of place. They're easily available at your local auto parts place or even dealership for just a few bucks!
Posted on Jul 30, 2009
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Passenger front door lock switch
LH rear door lock switch
RH rear door lock switch
LH middle door lock switch (w/ V4U)
RH middle door lock switch (w/ V4U)
Driver door switch assembly (DDSA)
Driver door module (DDM)
Passenger front door module (PDM)
LH rear door module (LRDM)
RH rear door module (RRDM)
Left middle door module (LMDM) (w/ V4U)
Right middle door module (RMDM) (w/ V4U)
Driver door lock actuator
Passenger front door lock actuator
LH rear door lock actuator
RH rear door lock actuator
LH middle door lock actuator (w/V4U)
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Driver door cylinder unlock switch
Rear integration module (RIM)
DRVMDL fuse (10-amp)
PASS MDL fuse (10-amp)
RRDR MDL fuse (10-amp)
Class 2 serial data link
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