[Working] Need my 2011 GMC Sierra 2500 HD's key code to program a new transponder key

1826 views - Last reply: August 04, 2024
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Trying to program a spare key - where's the key code on my 2011 GMC Sierra 2500 HD?

Hello! We've developed a VIN-based tool to help you get your key code for the 2011 GMC Sierra 2500 HD. Check it out here: VIN Key Code Generator.

Replies (6)

My 2011 GMC Sierra 2500 HD won’t start without that code. Following this closely.

Thanks! This could save me a trip to the dealership for my 2011 GMC Sierra 2500 HD.

Following along—same issue with my 2011 GMC Sierra 2500 HD.

Was about to tow my 2011 GMC Sierra 2500 HD. Let me try this first.

Trying to figure this out for my 2011 GMC Sierra 2500 HD too!

This thread might save my 2011 GMC Sierra 2500 HD. Thanks everyone!

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