[Free Tool] 2000 GMC Sonoma Extended Cab turns on dash but won’t crank - key issue?

1285 views - Last reply: May 21, 2025
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Where's the key code stored in a 2000 GMC Sonoma Extended Cab for making new keys?

Hello! We've developed a VIN-based tool to help you get your key code for the 2000 GMC Sonoma Extended Cab. Check it out here: VIN Key Code Generator.

Replies (5)

I’ve been locked out of my 2000 GMC Sonoma Extended Cab all week. Hope this helps.

I’m in the same boat with my 2000 GMC Sonoma Extended Cab. This looks promising.

I’ll try this and update how it goes with my 2000 GMC Sonoma Extended Cab.

Exactly what I was looking for to fix my 2000 GMC Sonoma Extended Cab.

Anyone have luck with this on a 2015 2000 GMC Sonoma Extended Cab?

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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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