[Solved] Need key code for GMC Sierra 3500HD Pickup with valet key only

3426 views - Last reply: November 06, 2024
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Where can I locate the key code to program a GMC Sierra 3500HD Pickup key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the GMC Sierra 3500HD Pickup. Check it out here: VIN Key Code Generator.

Replies (3)

Hope I’m not too late to try this on my GMC Sierra 3500HD Pickup.

Saved me from towing my GMC Sierra 3500HD Pickup. Thanks!

Appreciate the tips—trying to unlock my GMC Sierra 3500HD Pickup key code too.

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Professional key programming requires: diagnostic tools to access the immobilizer system, key code software, transponder programmers, and often proprietary manufacturer equipment. Some locksmiths and all dealers have these tools.
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