[Working] Just changed battery, now 2006 GMC Sierra 3500 Extended asks for a PIN code

678 views - Last reply: May 13, 2025
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Where's the key code located to program keys for my 2006 GMC Sierra 3500 Extended?

Hello! We've developed a VIN-based tool to help you get your key code for the 2006 GMC Sierra 3500 Extended. Check it out here: VIN Key Code Generator.

Replies (6)

Hoping someone can confirm this works for a newer 2006 GMC Sierra 3500 Extended.

I really hope this trick works on my 2006 GMC Sierra 3500 Extended.

This is gold. I’ve been locked out of my 2006 GMC Sierra 3500 Extended for days.

Just checking in to say this helped with my 2006 GMC Sierra 3500 Extended. Thanks!

I’ve been locked out of my 2006 GMC Sierra 3500 Extended all week. Hope this helps.

I’m in the same boat with my 2006 GMC Sierra 3500 Extended. This looks promising.

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