[It Worked!] Need key code to program fob for GMC Sierra 2500 HD Pro

2875 views - Last reply: February 23, 2025
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Trying to program a spare key - need the key code for my GMC Sierra 2500 HD Pro

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

Replies (3)

Any updates on getting the key code for the GMC Sierra 2500 HD Pro?

I can’t believe I found this. Been stuck with my GMC Sierra 2500 HD Pro too.

This trick worked for my buddy's GMC Sierra 2500 HD Pro. Giving it a go myself.

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