GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
 04-08-12 06:20 PM - Post#2212889
Hello,
I'm having problems with my door locks. As i am driving you can hear the door locks locking constainly. I have pulled out both wiring harnesses from the doors to check for cracks in the wires. I found a few and taped them up. After reinstalling them I took the van for a test drive and still have the same problem. I am wondering if anyone knows what is going on. I'm am also wondering what controls the doors to lock when you place the van into drive? I'm kinda thinking the van thinks the doors are unlocked and is trying to lock them. Does the computer control this?
Hope someone knows.
Thanks,
David
Winnipeg, MB
2004 Astro Van AWD
2004 Express Van AWD
2001 Silverado Z71
1985 S-10 350 conversion
1950 Fleetline Deluxe
|
|
oldsman52
Contributor
Posts: 567
Loc: Randy's House.
Reg: 01-18-12
|
04-08-12 06:38 PM - Post#2212897
In response to GracoBucks
Depending on year, the bcm controls door lock when placed in gear if that feature is enabled, it can be disabled as well. I've also seen worn switches cause this.
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-08-12 08:00 PM - Post#2212936
In response to oldsman52
The van is a 2004 Astro AWD van. How do I disable the automatic door lock feature from the bcm?
|
 gchemist
Senior Chevytalk Moderator
Posts: 20820
Loc: Austin, TX 78748
Reg: 05-09-00
|
04-08-12 09:41 PM - Post#2212962
In response to GracoBucks
Try this:
Begin with ignition off. Pull the multifuction/turn signal lever towards you and hold. Now turn the key on then off 2 times ending at off. Release the lever and the doors should lock and unlock. You are in programming mode and must make your input within 30 seconds. If you exceed 30 seconds the door locks will lock and unlock again, start over. Inputs are as follows:
all doors lock/only driver's door unlocks: press the power lock switch twice on lock and once on unlock
all doors lock/all doors unlock: press the power lock switch once on lock and twice on unlock
all doors lock/ no doors unlock: press the power lock switch once on the lock and three times on the unlock
no doors lock/no doors unlock: press the power lock switch twice on the lock, this disables the auto door lock function
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-09-12 02:19 PM - Post#2213179
In response to gchemist
That worked.  THANKS
But i'm guessing some of my other problems are from the bcm. Is the BCM something that can be changed at home or does a dealer need to do it?
|
gchemist
Senior Chevytalk Moderator
Posts: 20820
Loc: Austin, TX 78748
Reg: 05-09-00
|
04-09-12 03:46 PM - Post#2213208
In response to GracoBucks
You can change it out. You need to find a matching unit or have one programmed.
What other problems are present?
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-09-12 04:09 PM - Post#2213216
In response to gchemist
I have some issues with the dome light remaining on and also lights on the cluster staying on. Mostly were the odometer diplay is.
|
gchemist
Senior Chevytalk Moderator
Posts: 20820
Loc: Austin, TX 78748
Reg: 05-09-00
|
04-09-12 07:42 PM - Post#2213324
In response to GracoBucks
Check the door switch. They should be grounding properly. As for the dash, wow!! I would suspect the light switch may have a short.
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
|
oldsman52
Contributor
Posts: 567
Loc: Randy's House.
Reg: 01-18-12
|
04-10-12 04:41 AM - Post#2213390
In response to GracoBucks
The dome light timing is also a function of the BCM.
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-10-12 05:01 AM - Post#2213398
In response to gchemist
I have checked all the door pins and they seem to be working. As for the odometer light staying on I'll try to snap a picture of it to show you. I'm looking for the BCM and when I change it I'll let you guys know what it fixed.
Thanks for all the info.
|
gchemist
Senior Chevytalk Moderator
Posts: 20820
Loc: Austin, TX 78748
Reg: 05-09-00
|
04-10-12 04:24 PM - Post#2213666
In response to GracoBucks
Call the dealer. Ask them how much they would charge to flash it. It may be cheaper than buying a new BCM. Plus, they may be able to fix it or tell you it's bad.
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-10-12 06:41 PM - Post#2213718
In response to gchemist
Not a bad idea. I have a apointment for a immobilizer install at a dealer on Friday. I'll ask them then. Thanks Again
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-14-12 07:43 PM - Post#2215178
In response to GracoBucks
Hey guys I have a new problem starting with my van. When I turn off the van the running lights and the dash lights stay on. Would this be part of the BCM?
I talked to the guys at the dealer and they told me they doubt the BCM is gone because they dont go to often. Don't know if he was a mechanic or not but he also told me it was $180 bucks for them to just lift the hood.
Edited by GracoBucks on 04-14-12 07:43 PM. Reason for edit: No reason given.
|
gchemist
Senior Chevytalk Moderator
Posts: 20820
Loc: Austin, TX 78748
Reg: 05-09-00
|
04-14-12 09:11 PM - Post#2215199
In response to GracoBucks
The dealer is correct. BCM rarely fail, but do. Daylight driving lights have several inputs. The parking brake switch turns them off. The lights are activated the ignition switch. The lights go to full power by the light switch. The circuit somewhere is being grounded. The dash lights staying on is unique. I've never heard of such a problem. One common connection is power through the ignition switch. Set the parking brake. Do the daylight drive lights go out? What about the dash?
Hey, do you mean off as the engine being off and ignition still on? Or is the engine completely off and the key removed from the ignition switch?
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
|
GracoBucks
Forum Newbie
Posts: 84
Loc: Canada
Reg: 08-11-08
|
04-14-12 09:27 PM - Post#2215203
In response to gchemist
Yes, the engine completely off and the key removed from the ignition switch. The only way I get them to quit is to turn the light dimmer all the way down and then they will go off.
This van is driving me nuts
|
gchemist
Senior Chevytalk Moderator
Posts: 20820
Loc: Austin, TX 78748
Reg: 05-09-00
|
04-14-12 10:34 PM - Post#2215224
In response to GracoBucks
I would suspect the ignition switch has a short. 
'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS |
|
oldsman52
Contributor
Posts: 567
Loc: Randy's House.
Reg: 01-18-12
|
04-15-12 04:31 AM - Post#2215243
In response to gchemist
Another common connection point for lights is the turn signal switch. It would be a stretch for back grounding through a turn/parking light all the way to the dash lights but isn't impossible. On some Chrysler products all switches are low voltage units that send signals to the bcm to actually signal the relays, on those the bcm controls every electrical function, not sure on the Astro how elaborate GM got.
|
|
Gain extra benefits by becoming a Supporting Member 
drtyler (4)
