Question about 1995 Chevrolet G20

2 Answers

Automatic door locks delaying in locking.

Alternator went out on van had it replaced now automatic door locks or delaying in locking normally locks as soon as put in gear but now takes a few minutes, also sometimes key fob won't unlock it? also charging hand shows its fully charged.

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  • Contributor
  • 5 Answers

It may be due to some mechanism problem in your door lock. It may require service. You can hire or refer to any door lock mechanic for the repairing.You can refer Locksmith Jacksonville for this issue. They can help you better.

Posted on Jul 25, 2017

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  • Chevrolet Master
  • 5,370 Answers

It can be issue with keyfob or door locking mechanism.

Check the help link mentioned below:---

How to test Power door locks?

http://repairhelpcenter.blogspot.in/2012/02/how-to-test-power-door-locks.html

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2006 Toyota Camry: Power Door Locks Not Working?

http://whatisbyme.blogspot.in/2012/05/2006-toyota-camry-power-door-locks-not.html

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Door locks or windows not working on car?
http://schematicsdiagram.blogspot.com/2011/07/door-locks-or-windows-not-working-on.html


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All power door locks not working on Honda Accord?
http://howtobyme.blogspot.com/2011/11/all-power-door-locks-not-working-on_14.html

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Repairing car Door lock Actuator?
http://howtobyme.blogspot.com/2011/11/repairing-car-door-lock-actuator.html

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How to Access car door panel?
http://howtobyme.blogspot.com/2011/11/how-to-access-car-door-panel.html
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Vehicle door panel components?
http://howtobyme.blogspot.com/2011/11/vehicle-door-panel-components.html

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Power door locks not working?

http://schematicsdiagram.blogspot.com/2011/12/power-door-locks-not-working.html

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Door locks not working on Ford Explorer?

http://technoanswers.blogspot.com/2012/01/door-locks-not-working-on-ford-explorer.html

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These details will help.
Thanks.

Posted on Dec 06, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: automatic door locks dont work

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

  • 206 Answers

SOURCE: Automatic door locks / 2001 Chevy Suburban

Your book should give you program options for the door locks If your fob wont work either you got a relay for the door lock bad it is located in the fuse panel push the door lock button and find the one that is clicking

Posted on Apr 12, 2009

Sean80000
  • 1867 Answers

SOURCE: Automatic door locks will not lock rear doors,

You mean that the central locking system will not lock the rear doors but you can do so manually.

Get inside the vehicle and close all doors.

On each rear door, lock and unlock the mechanism manually a couple of times. In other words do not use the key pad.

Then leave both rear doors in the locked position (manual locking) and operate the lock button on you key pad to operate the central locking system. Wait a few seconds then hit unlock on your key pad and a few seconds later hit lock on your key pad.

If the system fails to lock your rear doors you will need to get the vehicle to an auto electrician to check out the issue and rectify it for you. There are a number of possible causes which cannot be identified without physically checking the system. So you will need to have this rectified by a professional.

Posted on Dec 04, 2009

Z71guy
  • 154 Answers

SOURCE: radio reading locked on 2003 monte carlo

Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Silverado instrument cluster repair
Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Monte Carlo instrument cluster repair

Posted on Oct 08, 2010

  • 1267 Answers

SOURCE: Windows won't go up our down power door locks

It may be as simple as reprogramming your system. There is a way to re-synch your keys to the system. Use the instructions at:
http://www.programyourremote.com/classified/DisplayAd.asp?id=334

That vehicle had a lot of problems with the PCM "Power Control Module" and that may be your problem.

Posted on Jun 11, 2011

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1 Answer

Why has the key on passenger side door suddenly stopped activating the lock on my 1999 Dodge Van Caravan? It functions well with the automatic all-locks' feature.


As you rotate the lock cylinder on that door it touches a switch that unlocks the rest of the doors. Check the condition of that switch.

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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
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• The reversible door lock actuators in each of the doors and liftgate
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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.

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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.

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Can a regular person replace the driver side door handle of a Chevy Lumina van if I send away for it? 1994 6 cyl automatic w power door locks.Key sounds like it is locking, but doesn't, can't get the door...


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Automatic door locks will not work.


you need to take it to the dealer and have them check the bcm for codes.... also have them check to be sure you have the latest software in the bcm.. its possible that you just need a software update... there are several TSB's covering the concern you have..... it can be a very simple fix with software or even a stuck lock switch may need to be replaced... without the proper diagnostic codes being read from the bcm all that can be done is guessing..and that can be expensive...

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