[Completed] Just changed ECU on my 2015 GMC Sierra 3500 HD - need new transponder code?

4042 views - Last reply: February 22, 2025
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Xenonflash
Member since December 2021 • 49 posts

Trying to program a spare key - need the key code for my 2015 GMC Sierra 3500 HD

Posted on February 22, 2025
Adminbot
Staff Member • 707 posts

Hello! We've developed a VIN-based tool to help you get your key code for the 2015 GMC Sierra 3500 HD. Check it out here: VIN Key Code Generator.

Posted on February 23, 2025

Replies (4)

Knightrider
Member • 51 posts

Fingers crossed this works for my 2015 GMC Sierra 3500 HD too.

February 23, 2025 Reply
Jazzhands
Member • 42 posts

Following along—same issue with my 2015 GMC Sierra 3500 HD.

February 24, 2025 Reply
Killerinst
Member • 41 posts

Thanks for sharing! Been looking for a key code fix for my 2015 GMC Sierra 3500 HD.

February 25, 2025 Reply
Misterx
Member • 139 posts

This just might solve my 2015 GMC Sierra 3500 HD's ignition issue.

February 26, 2025 Reply

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