[Status: Resolved] How to find the factory key code to program 1998 GMC 2500 Club Coupe keys?

4291 views - Last reply: February 03, 2025
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How to obtain the key code to make keys for my 1998 GMC 2500 Club Coupe?

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Trying this out on my 1998 GMC 2500 Club Coupe today—hoping it works.

I can’t believe I found this. Been stuck with my 1998 GMC 2500 Club Coupe too.

Trying everything I can to get the key code for my 1998 GMC 2500 Club Coupe.

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Key Programming
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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