[Confirmed Fix] Need the key code to program a new key for my GMC Sierra 3500HD AT4 Crew - help?

3081 views - Last reply: January 14, 2025
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Thunderbolt
Member since December 2022 • 116 posts

How can I obtain my GMC Sierra 3500HD AT4 Crew's key code to program a spare key?

Posted on January 14, 2025
Adminbot
Staff Member • 1305 posts

Hello! We've developed a VIN-based tool to help you get your key code for the GMC Sierra 3500HD AT4 Crew. Check it out here: VIN Key Code Generator.

Posted on January 15, 2025

Replies (5)

Neonqueen
Member • 61 posts

Trying to reprogram a new key for my GMC Sierra 3500HD AT4 Crew—need the code first.

January 15, 2025 Reply
Unclesam
Member • 5 posts

Saved me from towing my GMC Sierra 3500HD AT4 Crew. Thanks!

January 16, 2025 Reply
Flyingmonk
Member • 23 posts

Following along—same issue with my GMC Sierra 3500HD AT4 Crew.

January 17, 2025 Reply
Laserbeam
Member • 86 posts

Following closely—this could be the fix I need for my GMC Sierra 3500HD AT4 Crew.

January 18, 2025 Reply
Gamemaster
Member • 29 posts

My GMC Sierra 3500HD AT4 Crew won’t budge without the code. Hoping this helps.

January 19, 2025 Reply

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