[Free Solution] Lost master key for 1999 GMC Sierra 2500 Extended - how to recover programming code?

732 views - Last reply: September 30, 2024
This topic is closed for new replies.
Mistermiyagi
Member since October 2022 • 144 posts

Where's the key code stored in a 1999 GMC Sierra 2500 Extended for making new keys?

Posted on September 30, 2024
Adminbot
Staff Member • 949 posts

Hello! We've developed a VIN-based tool to help you get your key code for the 1999 GMC Sierra 2500 Extended. Check it out here: VIN Key Code Generator.

Posted on October 01, 2024

Replies (4)

Happycamper
Member • 67 posts

Just checking in to say this helped with my 1999 GMC Sierra 2500 Extended. Thanks!

October 01, 2024 Reply
Goldenret
Member • 67 posts

I’m not alone! My 1999 GMC Sierra 2500 Extended is doing the same thing.

October 02, 2024 Reply
Gamemaster
Member • 135 posts

Great info! Needed this for my old 1999 GMC Sierra 2500 Extended.

October 03, 2024 Reply
Frostbyte
Member • 69 posts

I tried this with my 1999 GMC Sierra 2500 Extended but still no luck. Any suggestions?

October 04, 2024 Reply

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