Question about 2008 Chevrolet Cobalt

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Automatic door locks dont work any more does not lock or unlock when the automatic trans is shifted but power locks still work normal

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  • casper1157 Dec 07, 2008

    Door locks seem to have a mind of there own!

  • cothran Dec 11, 2008

    electir door locks don't work and trunk release fuses are ok

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Unhook the negative battery cable for atleast 30 minutes. Then hook it back up again...this will reset the computer,

Posted on Dec 21, 2008

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Unlock Child lock on nissan if the lock is on and dont open from outside


All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h).
? All doors unlock automatically when the ignition is placed in the OFF position.
The automatic unlock function can be deactivated or activated. To deactivate or activate the automatic door unlock system, perform the following procedure: 1. Close all doors.
2. Place the ignition switch in the ON position.
Within 20 seconds of performing Step 2, push and hold the power door lock switch to the position (UNLOCK) for more
than 5 seconds.
4. When activated, the hazard indicator will flash twice. When deactivated, the hazard indicator will flash once.
5. The ignition switch must be placed in the OFF and ON position again between each setting change.
When the automatic door unlock system is deactivated, the doors do not unlock when the ignition switch is placed in the OFF position. To unlock the door manually, use the inside lock knob or the power door lock switch (driver's or front passenger's side).
NOTE:
The automatic door unlock function can be changed using the Vehicle Settings in the vehicle information

Sep 30, 2016 | Nissan Pathfinder 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

Why dont the power lock switch on the door in my 2006 Vue do not work?


Look in the underhood fuse box,the fuse box cover should list power window if it is not burnt open more than likely you will need a power window switch8_10_2012_3_48_14_am.gif

Aug 09, 2012 | 2006 Saturn Vue

1 Answer

Horn honks doors lock be self


does this help? look in owners manual for how to turn "on or off" the auto lock feature.


Automatic Door Lock/Unlock
The automatic door unlock function is a vehicle personalization feature with the following 3?programmable modes of operation:
1. All: All of the doors will automatically unlock. 2. Driver: The driver's door will automatically unlock. 3. None: The doors will need to be unlocked by a door switch command or by pressing the the lock button on the RKE transmitter. The All or Driver modes may also be programmed as to when the automatic door unlocking will occur.
1. Key Off: The door(s) will unlock when the key is turned off. 2. Shift to Park: The door(s) will unlock when the vehicle is shifted into P (Park). The delay lock function may be enabled or disabled. When the function has been disabled, the doors will only lock by a door switch command or by pressing the the lock button on the RKE transmitter. When enabled, the doors will not lock until five seconds after the last door is closed.

Oct 21, 2011 | 2007 Chevrolet Malibu Maxx LTZ Hatchback

1 Answer

Any way to set the door locks to not automatically lock or automatically unlock when you shift into park or turn off the key?


In most cars, the power door lock is handled by a computer, and it is extremely difficult, or impossible to reprogram it. Usually, there is just one or two cables that come out of the computer for locking and unlocking purposes. That means that you dont only lose the features you want, but also lose remote opening, manual opening of all doors from the inside as well as alarm sensing.

Feb 15, 2010 | 2007 Dodge Sprinter

1 Answer

Will lock but not unlock


IF POWER LOCKS DONT LOCK ITS YOUR DOOR LOCK RELAY BAD.IF YOUR POWER LOCKS DONT UNLOCK ITS A FAULTY UNLOCK RELAY.

Sep 20, 2009 | 1997 Pontiac Trans Sport

1 Answer

The battery in my 2006 pontiac vibe went dead. I recharged it; however, the setting for the door locks changed. It now unlocks automatically when I turn the car off instead of when I put the car in park. I...


The 2006 Vibe no longer has that feature. It was discontinued after 2005. I have the 2005 so I know how to change it. If your 2006 is able to change then here are the directions from my 2005.
Programmable Automatic
Door Locks
If you have an automatic transaxle, your vehicle is equipped with an auto door lock/unlock feature which enables you to program your power door locks.
Your vehicle left the factory programmed to Mode 4.
The following is a list of the available programming options:
Mode 1: All doors and liftgate lock when the shift lever is moved out of PARK (P) with the ignition on and all doors and liftgate closed. There is no automatic door unlocking.
Mode 2: No automatic door locking or unlocking.
Mode 3: All doors and liftgate lock when the shift lever is moved out of PARK (P) with the ignition on and all doors and liftgate closed. All doors and liftgate unlock when the shift lever is moved to PARK (P) with the ignition on.
Mode 4: All doors and liftgate lock when the shift lever is moved out of PARK (P) with the ignition on and all doors and liftgate closed. All doors and liftgate unlock when the ignition switch is turned from ON to ACC or to LOCK.
To change the mode you are in, do the following:
1. Set the interior lamp control dial to the door position.
See Interior Lamps Control on page 3-16.
2. Move the shift lever into PARK (P) and close all doors and liftgate.
3. Turn the ignition to ON.
4. Within five seconds after the ignition is turned to ON, press and hold the power door lock switch in
the lock position for about five seconds.
5. The interior lamp will flash to indicate that the mode has been changed. For example, if the lamp flashes once, the function has been changed to Mode 1.
If the battery is disconnected or run down, the mode is changed to the initial mode which is Mode 4.

Jan 22, 2009 | 2006 Pontiac Vibe

1 Answer

2005 silverado door locks


i work at a chevy dealership,just had the same problem my fix was to replace the power door lock relay located on drivers side interior fuse block

Jan 21, 2009 | 2005 Chevrolet Silverado 1500 2WD

1 Answer

Power door locks do not work at all lights flash when remote is used to unlock doors. automatic lock feature does not work Once manually unlocked, sliding side doors work ok. tail gate can be used to opens...


the reason the locks dont work more then likely there is a code stored in the bcm for a lock output circuit normally caused by one if not both of the sliding door acuators. even if you change the acuators the locks still will not work until the code is cleared.

Sep 14, 2008 | 2000 Dodge Grand Caravan

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