Trying to program a spare key - where's the key code on my 2003 GMC Sierra 2500 Regular?
Following closely—this could be the fix I need for my 2003 GMC Sierra 2500 Regular.
Hello! We've developed a VIN-based tool to help you get your key code for the 2003 GMC Sierra 2500 Regular. Check it out here: VIN Key Code Generator.
Replies (5)
My 2003 GMC Sierra 2500 Regular just blinks. I think this might fix it.
Key code problems with my 2003 GMC Sierra 2500 Regular as well. Subscribed!
I think my 2003 GMC Sierra 2500 Regular has the same issue. Good to know I'm not alone.
Still looking for a reliable way to find the key code on my 2003 GMC Sierra 2500 Regular.
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