[Free Solution] My 1999 GMC Sierra 1500 Extended won’t start - do I need a transponder code?

3125 views - Last reply: October 07, 2024
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Where's the key code hidden on my 1999 GMC Sierra 1500 Extended for key programming?

Hello! We've developed a VIN-based tool to help you get your key code for the 1999 GMC Sierra 1500 Extended. Check it out here: VIN Key Code Generator.

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I tried this with my 1999 GMC Sierra 1500 Extended but still no luck. Any suggestions?

Does this method work for the 1999 GMC Sierra 1500 Extended models from 2010 onward?

Trying this out on my 1999 GMC Sierra 1500 Extended today—hoping it works.

Worked for someone with a 1999 GMC Sierra 1500 Extended? Need to hear it!

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