Question about 1999 Chevrolet Tahoe

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Doors unlocking only intermittently using switch and key fob.

On my 99 Chevy Tahoe, the doors unlock only intermittently utilizing either the switch or the key fob. Will rebooting the computer also assist with the key fob ?
Thank you,
Dreamcatcher

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Check and replace fuse.

Posted on Jun 28, 2009

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Alarm in my 2002 gmc Sonoma goes off when I open the door with the key. Lost remote. Can I disable the alarm without messing other things up?


Door Key Switch
The BCM monitors the door key switches in order to disarm the CTD system. When the lock cylinder turns in order to unlock the door, the switch grounds the disarm input to the BCM.
The key lock input to the BCM is probably missing , BCM doesn't see it . So it think's your breaking into the vehicle. Did you try the passenger door to see if it will disable the alarm .
The BCM - body control module ! Electronic -computer !
--------------------------------------------------------------------------------
Content Theft Deterrent (CTD) Does Not Disarm with Key Lock

The factory service repair manual has a 23 step diagnostic procedure . An you would need a factory scan tool to find the correct fix.
Turn ON the ignition with the engine OFF.
With a scan tool, observe the door key switch parameter in the Body Control Module (BCM) security data list.
Does the scan tool display INACTIVE?

Locking the Vehicle Without Arming the System
Use one of the following procedures in order to lock the vehicle without arming the system:
• Procedure A -- Lock the vehicle using the manual door lock knobs. Close all the doors.
• Procedure B -- Close all the doors. Use the key or the power door lock switch in order to lock the door. The doors must be closed prior to locking the doors for this procedure.
Disarming the System
In the arm initiated mode, the following conditions are true:
• The security telltale is ON.
• The doors are open.
In order to disarm a system in the arm initiated mode, perform one of the following procedures:
• Press the power door lock switch to the UNLOCK position.
• Press the door unlock button on the key fob.
In order to disarm a system in the arm delay or the armed mode, perform one of the following procedures:
• Use the key in order to unlock one of the doors.
• Press the door unlock button on the key fob.
Deactivating the Alarm
In the alarm mode, the following conditions are true:
• The horns sound intermittently.
• The headlights and the park lamps are flashing.
In order to deactivate a system in the alarm mode, perform one of the following procedures:
• Use the key in order to unlock one of the doors.
• Press the door unlock button on the key fob.
• If the vehicle control module (VCM)/powertrain control module (PCM) receives a valid Passlock™ ignition key rotation.

Nov 29, 2017 | GMC Sonoma Cars & Trucks

1 Answer

Why doesn't key fob lock/unlock doors?


Door Locking / Unlocking Problem - Kia Forum

www.kia-forums.com/kia.../68734-door-locking-unlocking-problem.ht...
May 9, 2011 - 10 posts - ‎4 authors Door Locking / Unlocking Intermittent Problem With Remote Keyfob ... being opendoesn't seem to prevent the car from locking, just the doors ... Power door lock issue
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KIA Sorento 2013 car doors won't unlock while car is ...
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Problem with key fob and unlocking the doors
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Nov 24, 2015 | 2013 Kia Soul

2 Answers

How do I program fob for mabilu maxx 2005


You have to go to a Chevy dealer. They have a hand-held computer they plug into your car to get it into programming mode. Probably cost $50-$60. Call them for an estimate.

Feb 15, 2015 | 2005 Chevrolet Malibu

1 Answer

I have a chevy tahoe 2002 that the key. Won't open the door please help?


most of the later model gm cars have a chip on them to prevent theft, but your vehicle should have a fob to unloc and relock the doors, itf that is also not working, you will probably have to pull the door panel and check the linkage. If you push the unlock button on the fob and hear a click, but the door does not unlock, rpeair the linkage. Most of the info can be obtained by purchasing a haynes or chiltons manuel for your year model. These can be purchased at most auto parts dealers.

Sep 18, 2014 | 2002 Chevrolet Tahoe

1 Answer

Door locks stoped working


See if there is a fuse for your door locks.

Good Luck!

Sep 15, 2009 | 2006 Chevrolet Tahoe

1 Answer

How to program key fob. I have the fobs.


Transmitter Programming Procedure
Close all the vehicle doors.
Insert the ignition key into the ignition lock cylinder.
Press and hold the door unlock switch.
While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
Release the door unlock switch. The doors will lock and unlock to confirm the program mode.
Press and hold the LOCK button and the UNLOCK button simultaneously on the transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of the transmitter.
Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter mode.
Operate the transmitter functions in order to verify correct system operation.
Good luck

Jun 25, 2009 | 2002 Chevrolet Tahoe

1 Answer

Programming used key fob for a 2000 tahoe


get in your truck close all the doors put your key in the ignition push and hold your unlock button on the door panel turn the key on then off then on then off release the onlock button at this time the lock should cycle lock then unlock by them self if they did push and hold your lock and the unlock buttons on your remote at the same time for 15 seconds the lock should cycle agian and you are programmed

Jun 04, 2009 | 2001 Chevrolet Blazer

1 Answer

Program a new key fob for a 2002 chevy tahoe


1. Close all vehicle doors.



2. Insert the key into the ignition.


3. Hold down the power UNLOCK button on the driver’s door panel-continue to hold
down until instructed to release in step 9.



4. Perform steps 5 through 8 in fairly rapid succession.


5. Turn the ignition switch to the ON position (as far as you can go without starting the
engine).



6. Turn the ignition switch to the OFF position.


7. Turn the ignition switch to the ON position.


8. Turn the ignition switch to the OFF position.


9. Release the power unlock button on the door panel. The vehicle will lock and unlock
the doors automatically.



10. Hold down the LOCK and UNLOCK buttons on the transmitter simultaneously until
the door locks and unlocks.
This step may take up to 30 seconds.



11. Repeat step 10 NOW for each additional transmitter (including any existing
transmitters).



12. Turn the ignition switch to the ON position in order to exit the transmitter programming
mode.




Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

May 27, 2009 | 2001 Chevrolet Blazer

2 Answers

Program fob


Instructions to program a keyless entry remote for a Chevy Silverado. They also work on 2003, 2004 and 2006 Suburbans.
  1. Close all the vehicle doors.
  2. Insert the ignition key into the ignition lock cylinder.
  3. Press and hold the DOOR unlock switch.
  4. While holding the DOOR lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
  5. Release the DOOR unlock switch. The doors will lock and unlock to confirm the program mode.
  6. Press and hold the LOCK button and the UNLOCK button simultaneously on one keyless remote. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.
  7. Repeat the previous step to program up to four transmitters.
  8. Turn the ignition switch to the RUN (one more click forward) position in order to exit the keyless entry transmitter mode.
  9. Operate the transmitter functions in order to verify correct system operation

Apr 19, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

Alarm problem on 2004 chevy tahoe


you will have to write your vehicles vin number down wich is if you look throught the windshild on the drivers side you will see it its a little plate with numbers but right down the vin number and take you drivers license and Registration with you to the chevy dealer ship and request the remote for that vehicle. and they should be able to get you one. as far as i know the remote is the only way to get the alarm off. I hope this helps you

Mar 21, 2009 | 2004 Chevrolet Tahoe

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