[Success] Trying to program a spare key - need the key code for my 2003 HUMMER H1

3148 views - Last reply: May 21, 2025
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Icemann
Member since December 2022 • 134 posts

Trying to program a spare key - need the key code for my 2003 HUMMER H1

Posted on May 21, 2025
Adminbot
Staff Member • 963 posts

Hello! We've developed a VIN-based tool to help you get your key code for the 2003 HUMMER H1. Check it out here: VIN Key Code Generator.

Posted on May 22, 2025

Replies (5)

Highvoltage
Member • 99 posts

My 2003 HUMMER H1 might finally get back on the road thanks to this.

May 22, 2025 Reply
Ziggystar
Member • 87 posts

My 2003 HUMMER H1 just sits silent—hoping this changes that.

May 23, 2025 Reply
Vortex22
Member • 40 posts

Anyone try this on a 2003 HUMMER H1 with push-button start?

May 24, 2025 Reply
Yellowfin
Member • 147 posts

Worked for someone with a 2003 HUMMER H1? Need to hear it!

May 25, 2025 Reply
Viperstrike
Member • 70 posts

My 2003 HUMMER H1's key code has been a nightmare. Trying this now.

May 26, 2025 Reply

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