[Completed] 1999 GMC Suburban only starts with master key - no code for new one

1997 views - Last reply: December 26, 2024
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Trying to program a spare key - need the key code for my 1999 GMC Suburban

Hello! We've developed a VIN-based tool to help you get your key code for the 1999 GMC Suburban. Check it out here: VIN Key Code Generator.

Replies (4)

My 1999 GMC Suburban is basically useless until I get this code. Fingers crossed.

Still can’t find the code for my 1999 GMC Suburban. This might do it.

Good luck to everyone dealing with 1999 GMC Suburban key issues!

Just tried this on my 1999 GMC Suburban—anyone else have success?

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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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