[Answered] Code problem on 2003 GMC Sierra 1500 Regular - can’t drive it

3877 views - Last reply: January 26, 2025
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Where's the key code hidden on a 2003 GMC Sierra 1500 Regular for key programming?

Hello! We've developed a VIN-based tool to help you get your key code for the 2003 GMC Sierra 1500 Regular. Check it out here: VIN Key Code Generator.

Replies (5)

This is gold. I’ve been locked out of my 2003 GMC Sierra 1500 Regular for days.

Will this work if the 2003 GMC Sierra 1500 Regular has an aftermarket alarm?

I really hope this trick works on my 2003 GMC Sierra 1500 Regular.

My mechanic said this might help with my 2003 GMC Sierra 1500 Regular key issue.

Does anyone know if this works on push-start 2003 GMC Sierra 1500 Regulars?

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