[Verified] 2001 GMC Sierra 3500 Regular remote replaced - car not recognizing it

4283 views - Last reply: December 20, 2024
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Where can I find the key code to program keys for my 2001 GMC Sierra 3500 Regular?

Hello! We've developed a VIN-based tool to help you get your key code for the 2001 GMC Sierra 3500 Regular. Check it out here: VIN Key Code Generator.

Replies (5)

Exactly what I was looking for to fix my 2001 GMC Sierra 3500 Regular.

Great info! Needed this for my old 2001 GMC Sierra 3500 Regular.

Why is finding a key code on a 2001 GMC Sierra 3500 Regular this hard?!

Bookmarking this for when I work on my 2001 GMC Sierra 3500 Regular this weekend.

Trying to figure this out for my 2001 GMC Sierra 3500 Regular too!

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Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
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