[Method] Got blank key for 1999 GMC 2500 HD Extended from eBay - no code

2278 views - Last reply: October 04, 2024
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How can I obtain my 1999 GMC 2500 HD Extended's key code to program a spare key?

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Replies (4)

I’m also looking for how to retrieve the key code on a 1999 GMC 2500 HD Extended.

Following this for my 1999 GMC 2500 HD Extended. Please update if it works!

Trying to reprogram a new key for my 1999 GMC 2500 HD Extended—need the code first.

Trying to figure this out for my 1999 GMC 2500 HD Extended too!

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