I bought my Trailblazer 2003 a few days ago. I could not get my locksmith to program new remotes. He had the computer and hookups. This locksmith was able to help with my 2011 Impala. what is up with the Trailblazer? Help

 

This is what I had saved for my 2002 ZR2 Blazer. It might work for you. ??




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 releasein 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 theengine.)


6.Turn the ignition to the OFF position.


7.Turn the ignition to the ON position (as far as you can go without starting theengine.)


8.Turn the ignition to the OFF position.


9.Release the power UNLOCK button on the door panel. The vehicle should respondby door locks locking and unlocking automatically. (Iflocks do not cycle after you let go, not before you let go of the unlock button, then the vehicle hasnot entered programming mode and you must start procedureover. Remove key from ignition, open drivers door and return to step 1 ). If thelocks do cycle automatically then proceed to step 10.


10.Hold down the LOCK and UNLOCK buttons on the remote until the doors lock andunlock. This may take up to 30 seconds.


11.Repeat step 10 NOW for each additional remote. (Including any existingremotes).


12.Turn the ignition to the ON position to exit the programming mode.


13.Test remote(s).