Question about 1996 Cadillac DeVille

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1996 cadlillac deville car door locks

My locks on my front and rear drivers side doors are in the locked position and will not unlock making it impossible to close my doors and for the interior lights to go out thus draining my battery hoe do i release the locks?

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Sounds like a stuck button on your armrest

Posted on Nov 12, 2008

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Posted on Jan 02, 2017

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2002 Cadi Deville, can't get any locks to operate with remote or dash push buttons, the remote operates everthing but the locks! When the remote door lock is pressed, lites flash,horn blows locks not.


Power Door Lock Operation
The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door, but the rear integration module (RIM), which is the master control for the door lock system, determines when the lock functions are permitted. The RIM receives and examines the requested lock function from the individual door modules, or from the remote function actuator (RFA) via the class 2 serial data circuit. The RIM also examines the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. If the RIM determines that a lock or unlock function is permitted, it sends a class 2 message back to the individual door modules commanding them to perform that Lock or Unlock function.
Power Door Lock Components
The power door lock system consists of the following components:
?€¢
Driver door lock switch


?€¢
Passenger front door lock switch


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LH rear door lock switch


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RH rear door lock switch


?€¢
LH middle door lock switch (w/ V4U)


?€¢
RH middle door lock switch (w/ V4U)


?€¢
Driver door switch assembly (DDSA)


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Driver door module (DDM)


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Passenger front door module (PDM)


?€¢
LH rear door module (LRDM)


?€¢
RH rear door module (RRDM)


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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)


?€¢
RH middle door lock actuator (w/ V4U)


?€¢
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

Sep 27, 2016 | 2002 Cadillac Deville

1 Answer

How do i unlock child lock on 1996 camry


page 14 of your owners manual shows how to lock unlock the child proof setup on door -----open door and by latch will see the the lock move to unlock position ! CAUTION LOCKING WITH REAR DOOR CHILDPROTECTORS Turn the lock knob to the "LOCK" position as shown on the label. This feature allows you to lock a rear door so it can be opened from the outside only, not from inside. We recommend using this feature.... the link is a copy of your owners manual
1996 Toyota Camry Owners Manual

Aug 11, 2016 | 1996 Toyota Camry

1 Answer

Door is loked on rear driver side want open


Won't open from outside? Won't open from inside? Equipped with power door locks? IF so, and won't open inside/outside, suspect stuck power door lock actuator. Sometimes working the lock/unlock button will make the door unlock. If not, the door will require disassembly from inside to determine what the failure may be. If the door needs disassembly while in the closed position, the paneling/clips may get damaged FYI

Dec 22, 2015 | 2001 Chevrolet Lumina

1 Answer

Why does my 2004 Chevy Silverado lock and unlock while in drive? When turned off and no keys in ignition the drivers door will unlock on its own a short time later.


Gremlins ! HA HA HA sorry ! First off a little bit on how they work an what all is involved in making them work ! There are a few control modules in the mix , switches ,relays etc...
Door Lock System Components
The power door lock system consists of the following components:
?€¢
The driver door module (DDM)

?€¢
The passenger door module (PDM)

?€¢
The body control module (BCM)

?€¢
The driver information center (DIC)

?€¢
The rear door lock switch

?€¢
The door lock relay

?€¢
The door unlock relay

?€¢
The liftgate lock relay--utility vehicles with liftgate only

?€¢
The reversible door lock actuators in each of the doors and liftgate

?€¢
LOCKS 20A fuse (rear lock/unlock relay supply voltage)

?€¢
ECC 10A fuse (liftgate lock relay supply voltage)

Door Lock System Controls
The power door lock system can be controlled by any of the following:
?€¢
A power door lock or unlock switch activation

?€¢
A keyless entry transmission

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An automatic door lock function

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A delay lock function

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Door lock cylinder switch activation

?€¢
Lockout Prevention

?€¢
An airbag deployment

The front power door lock switches are integral components of the driver door module (DDM) and passenger door module (PDM). The switches are two position normally open rocker switches. When placed in either the lock or unlock positions, the switches provide a direct input to the DDM or PDM. The DDM or PDM monitors these inputs and sends a Class 2 message indicating a change in the switch's respective position. Modules which activate the power door lock motors receive the Class 2 message and activate the motor in the appropriate direction to lock or unlock the vehicle's doors and liftgate. The rear door lock switch provides a lock and unlock signal to the body control module (BCM). The BCM upon receipt of a lock or unlock signal will control the rear door lock relays and also send a Class 2 message to the DDM and PDM to perform the appropriate function.
The modules which activate the power lock motors are:
?€¢
The DDM (driver door lock actuator).

?€¢
The PDM (passenger front door lock actuator).

?€¢
The BCM (both rear door lock actuators and cargo door/liftgate).
The DDM and PDM are directly connected to the respective door lock actuator through the door lock motor lock and unlock circuits. Once a door lock or unlock request has been received, the module will supply battery voltage to one side of the actuator and ground the other causing the doors to lock or unlock.
The rear passenger and cargo doors differ slightly in that they use lock and unlock relays. The relays supply and coil sides receive a constant voltage through the battery voltage supply circuit. The normally closed contacts are connected to ground and the control side is connected to the BCM. Once a door lock or unlock request has been received by the BCM, the BCM will ground the control side of the appropriate relay. This energizes the relay and allows voltage to be applied to either the door lock motor lock or unlock circuits. since the other side of the door lock actuator is connected to the normally closed contacts of the opposing relay to ground, the doors lock or unlock.
The first place to start is have a factory or equivalent scan tool hooked up , one that can read BCM DTC'S - diagnostic trouble codes ! This could lead to a fix faster ! Watch these three videos !
Door Locks Go Crazy 1

Sep 16, 2015 | Cars & Trucks

1 Answer

2005 Chevrolet Tahoe Power Windows and Power Locks not working.


The power windows an power locks are controlled by a module , DDM - driver door module . As far as the locks locking when you put the vehicle into reverse an unlocking when you put the vehicle into park , that's how there are suppose to work , automatic lock an unlock feature . When you put the vehicle into any gear from park the locks should lock . Did she hit window lockout function ?

The power door lock system consists of the following components:
• The driver door module (DDM)
• The passenger door module (PDM)
• The body control module (BCM)
• The driver information center (DIC)
• The rear door lock switch
• The door lock relay
• The door unlock relay
• The liftgate lock relay--utility vehicles with liftgate only
• The reversible door lock actuators in each of the doors and liftgate
• LOCKS 20A fuse (rear lock/unlock relay supply voltage)
• ECC 10A fuse (liftgate lock relay supply voltage .

Programmable Automatic Door Locks
The automatic door lock feature can be programmed to control the door lock system. The automatic door lock feature is factory programmed to have all doors lock and unlock. For detailed instructions on programming the automatic door locks, refer to Vehicle Personalization in Personalization.
When the automatic door lock feature is programmed to control the door lock system, the driver door module (DDM), passenger door module (PDM) and body control module (BCM) will lock the vehicle doors if the following inputs are true:
• Ignition 1 input is active.
• All door jamb switch inputs are inactive.
• Cargo door or liftgate/liftglass ajar inputs are inactive.
• Transmission is shifted out of park.
This automatic door lock function will only occur once per ignition cycle unless, a door jamb switch input changes state to active and back to inactive. Then the DDM, PDM and BCM will lock all doors again.
Once the automatic door lock feature has locked the doors, the BCM will then unlock all the doors when the transmission is shifted into park.
Driver, Passenger and Cargo Door Lock System Operation
The front power door lock switches are integral components of the driver door module (DDM) and passenger door module (PDM). The switches are two position normally open rocker switches. When placed in either the lock or unlock positions, the switches provide a direct input to the DDM or PDM. The DDM or PDM monitors these inputs and sends a Class 2 message indicating a change in the switch's respective position. Modules which activate the power door lock motors receive the Class 2 message and activate the motor in the appropriate direction to lock or unlock the vehicle's doors and liftgate. The rear door lock switch provides a lock and unlock signal to the body control module (BCM). The BCM upon receipt of a lock or unlock signal will control the rear door lock relays and also send a Class 2 message to the DDM and PDM to perform the appropriate function.
The modules which activate the power lock motors are:
• The DDM (driver door lock actuator).
• The PDM (passenger front door lock actuator).
• The BCM (both rear door lock actuators and cargo door/liftgate).
The DDM and PDM are directly connected to the respective door lock actuator through the door lock motor lock and unlock circuits. Once a door lock or unlock request has been received, the module will supply battery voltage to one side of the actuator and ground the other causing the doors to lock or unlock.
The rear passenger and cargo doors differ slightly in that they use lock and unlock relays. The relays supply and coil sides receive a constant voltage through the battery voltage supply circuit. The normally closed contacts are connected to ground and the control side is connected to the BCM. Once a door lock or unlock request has been received by the BCM, the BCM will ground the control side of the appropriate relay. This energizes the relay and allows voltage to be applied to either the door lock motor lock or unlock circuits. since the other side of the door lock actuator is connected to the normally closed contacts of the opposing relay to ground, the doors lock or unlock.

Mar 16, 2017 | 2005 Chevrolet Tahoe

1 Answer

The driver side door lock locks but will not unlock!


it is the keyless entry module! that is the only thing in line with the drivers door lock. the rest of the locks are all connected to a door lock relay. so that only leaves a broken wire or module. go to the module( located in the trunk on the back of the back seat first module in the group of three) and test the tan wire in connector "c" position 18 while activating the lock either from remote or one of the switches and see if you get a positive pulse when doing so. if yes then you have a broken wire from that point to the door lock motor/actuator. if you don't have a positive pulse then the module is bad.

if you have any more question please ask. good luck

Sep 22, 2009 | 1995 Cadillac DeVille

1 Answer

1998 Toyota Corolla Electric Door Lock Problem


You'll need to replace the solenoid (motor) that doesn't work. Not hard once you get the door panel off. I suggest you buy the correct part, not a universal one.

Jun 12, 2009 | 1998 Mitsubishi Eclipse

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