[Answered] Where’s the code stored on a 2004 GMC Sierra 1500 Extended smart key?

3076 views - Last reply: March 10, 2025
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Need my 2004 GMC Sierra 1500 Extended's key code to program a replacement key - where to look?

Hello! We've developed a VIN-based tool to help you get your key code for the 2004 GMC Sierra 1500 Extended. Check it out here: VIN Key Code Generator.

Replies (6)

Bookmarking this for when I work on my 2004 GMC Sierra 1500 Extended this weekend.

My 2004 GMC Sierra 1500 Extended just sits silent—hoping this changes that.

Waiting to see if this will work on my 2004 GMC Sierra 1500 Extended as well.

Really hoping this unlocks my 2004 GMC Sierra 1500 Extended's mystery code.

This just might solve my 2004 GMC Sierra 1500 Extended's ignition issue.

Will this work for older 2004 GMC Sierra 1500 Extendeds? Mine's a 2009.

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