[Completed] Is the key programming code the same as the immobilizer code on a 2000 Hummer H1?

2884 views - Last reply: May 04, 2025
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Looking for my 2000 Hummer H1's key code to program a new key fob

Hello! We've developed a VIN-based tool to help you get your key code for the 2000 Hummer H1. Check it out here: VIN Key Code Generator.

Replies (4)

Same issue here with my 2000 Hummer H1, let me know if it works.

I tried this trick and it actually worked on my 2000 Hummer H1!

Appreciate any advice—my 2000 Hummer H1 won’t recognize the key.

My 2000 Hummer H1 might finally get back on the road thanks to this.

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Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
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