2003 avalanche factory remote programming

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=117909
Printed Date: May 24, 2025 at 5:10 PM

Topic: 2003 avalanche factory remote programming

Posted By: mr-remote
Subject: 2003 avalanche factory remote programming
Date Posted: November 21, 2009 at 1:02 PM

Does anyone out there know how to programme a replacement remote for a 2003 Chevy Avalanche.

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Mr-Remote

Replies:

Posted By: OmarR
Date Posted: November 21, 2009 at 11:27 PM

1) Close all doors and insert key in ignition

2)Hold down UNLOCK button on door panel

3)Turn ignition ON, OFF,ON,OFF. Release UNLOCK button on door panel. Door
locks should LOCK then UNLOCK indicating the vehicle has entered programming

4) Hold down LOCK and UNLOCK on the remote for 15 seconds. The doors should
LOCK then UNLOCK

5) Repeat step (4) for each additional transmitter (up to 4 total)

6) Turn ignition ON and OFF to exit programming. Verify function of remotes.

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