Question about 2003 Chevrolet Astro

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2005 Astro Van, when I put the vehicle into Park all the doors unlock. I only want the driver door to unlock as a safety precaution. I will manually unlock the other doors if I have passengers. I do not mind all doors locking when I go into Drive but I will not mind if I loose this feature in efforts to correct the problem of all doors unlocking when I go into Park. How can I override what seems to be an automotive thing?

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  • Milford54 Aug 26, 2008

    If I turn off this module, would it affect the using of the button on the driver door to control all the locks manually? How about the fob control? If I turn off this module would I be able to use the fob at all?

  • Milford54 Aug 26, 2008

    fob is the remote thingy you use to lock/unlock/and in some cases unlock the trunk. It is the name I was told it was called. Perhaps I have misspelled it. Faub, maybe? :-) but I think you know what I mean now.



    Thanks for the information, I was afraid that would be the case but I am surprised there isn't a feature to turn this off. As a single person, I am not overly comfortable parking anywhere these days and having all the doors unlock when I park. Might be enough for me to get rid of this van and get something else. As much as I like the vans... this is my 3rd one (the others did not have auto locks).... I might have to get rid of it or get into the habit of pushing the lock button as I put the van into Park.



    Thanks again, Doc, appreciate the prompt responses. Have yourself a decent day.



    Milford

  • Milford54 Aug 26, 2008

    You seem like a good guy so I changed the rating to Helpful.



    Have a good one...... Milford

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Where is the door lock module located?

Posted on Sep 25, 2008

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Your 2005 astro has four (4) options for the door locks. Look in your owners manual and it will show you how to select one of the options. It should be on page 2-7.
Cubby

Posted on Sep 04, 2008

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Hello milford,

i don't think you can eliminate your problem, the door lock feature is being run by a single module and all doors are connected to it in parallel

so i you want that only the driver's side door would unlock as you put it in park, then you would isolate the rest of the doors to the module but will in turn not controll the rest for locking puposes.

you can not have both features. either control one door or controll all doors.

its your choice.

tnx for using fixya.

drcool

Posted on Aug 26, 2008

  • 1 more comment 
  • francis rivero Aug 26, 2008

    yes it would because the manual switch at the driver's door is just activating this module.



    what is FOB? sorry for the ignorance in initials...

  • francis rivero Aug 26, 2008

    hello again milford,



    im sorry to bother you one more time but can i ask a favor for at least a helpful rate?



    these rates affects our standing in this site and it would be greatly appreciated for at least a helpful rate since a tnx 4 trying rate reduces our ranking.



    i just thought i was able to help you clear things out regarding your lock issue.



    thank you in advance,



    drcool

  • francis rivero Aug 27, 2008

    thank you very much,



    God Bless...



    drcool

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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:
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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.
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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.
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