[Status: Resolved] Got replacement ECU for 2015 GMC Sierra 2500 HD, now code doesn’t match

3455 views - Last reply: August 04, 2024
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How can I access my 2015 GMC Sierra 2500 HD's key code to program new keys?

Hello! We've developed a VIN-based tool to help you get your key code for the 2015 GMC Sierra 2500 HD. Check it out here: VIN Key Code Generator.

Replies (5)

Was about to tow my 2015 GMC Sierra 2500 HD. Let me try this first.

Exactly what I was looking for to fix my 2015 GMC Sierra 2500 HD.

I’ll try this and update how it goes with my 2015 GMC Sierra 2500 HD.

Really need the key code for my 2015 GMC Sierra 2500 HD, thanks for sharing!

Can confirm it worked for my 2013 2015 GMC Sierra 2500 HD.

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