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Posted on Jun 01, 2009
Answered by a Fixya Expert

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Remote control no longer opens the lock

The remote control for my '03 GMC Sierra no longer will unlock the doors. The remote will lock and activate the horn beeper, but not the unlock feature. I have replaced the battery. The lock/unlock switch in the truck does lock and unlock the doors.

  • jimpeters Jun 01, 2009

    Thanks, but forgot the mention that the 2nd fob has the identical operational features and it has hung on the key rack for 6 years. Any other thoughts?



    Thanks,



    Jim

  • Anonymous Mar 24, 2014

    1988 gmc Sierra

×

1 Answer

Eric Shephard

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  • Expert 129 Answers
  • Posted on Jun 01, 2009
Eric Shephard
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Joined: May 22, 2009
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Sounds like the button to unlock doors on the fob is worn out. You can purchase a new one or used from your local recycle yard.

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How to syncronize 2 keyless remotes for 2000 gmc sierra

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1. Close all doors
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4. Perform steps 5 through 8 in a fairly rapid succession.
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http://howtobyme.blogspot.com/2011/11/car-door-will-not-close.html

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http://howtobyme.blogspot.com/2011/11/vehicle-door-panel-components.html

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http://schematicsdiagram.blogspot.com/2011/12/ford-truck-door-will-not-close.html

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This will help.

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http://howtobyme.blogspot.com/2011/11/repairing-car-door-lock-actuator.html
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This will help.

Thanks.

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1. Close all doors
2. Insert key into 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 a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
8. Turn the ignition to the OFF position.
9. Release the power UNLOCK button on the door panel. The vehicle should respond by
door locks locking and unlocking automatically. (If locks do not cycle after you let go,
not before you let go of the unlock button, then the vehicle has not entered programming
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and return to step 1 ). If the locks do cycle automatically then proceed to step 10.

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unlock. This may take up to 30 seconds.

11. Repeat step 10 NOW for each additional remote. (Including any existing remotes).
12. Turn the ignition to the ON position to exit the programming mode.
13. Test remote(s).
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