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Registered
Cadilllac DeVille 2004
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3 Posts
Discussion Starter #1
I can't lock/unlock driver door using key or remote control (the lock knob is pressed, but the door is opened).
The other 3 doors(rear and front passenger) locks/unlocks without issues.

Looks like this problem appears after changing battery.

Any suggestions? Thank you very much for your reply!
 

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Super Moderator
White Diamond '03 DHS (with DTS floor shift)
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86,781 Posts
Re: Driver door is always unlocked, but the knob is pressed (Cadillac Deville 2004).

:welcome:

Time for some exploratory surgery. Pull the door panel and have a look see. You're bound to find something disconnected.

Tip:
When all the fasteners are pulled, the panel lifts off. DO NOT pull it off.
 

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Cadilllac DeVille 2004
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3 Posts
Discussion Starter #3
Re: Driver door is always unlocked, but the knob is pressed (Cadillac Deville 2004).

Thanks a lot! I'll try.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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19,261 Posts
Re: Driver door is always unlocked, but the knob is pressed (Cadillac Deville 2004).

I can't lock/unlock driver door using key or remote control (the lock knob is pressed, but the door is opened).
The other 3 doors(rear and front passenger) locks/unlocks without issues.

Looks like this problem appears after changing battery.

Any suggestions? Thank you very much for your reply!
==============================
check for codes -
specifically DDM - Driver Door Module codes -
ALL switches on the driver door go through the DDM -

but you are probably in the market for a new power lock actuator -
 

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Registered
Cadilllac DeVille 2004
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3 Posts
Discussion Starter #5
Re: Driver door is always unlocked, but the knob is pressed (Cadillac Deville 2004).

==============================
check for codes -
specifically DDM - Driver Door Module codes -
ALL switches on the driver door go through the DDM -

but you are probably in the market for a new power lock actuator -
The first thing, that i've made it was check the DDM codes.
There was only 1 CURRENT problem for DDM module --> DDM B3832, but its related with @window position sensor [email protected]
 
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