[Verified] GMC Vandura 2500 2WD immobilizer code invalid - what now?

656 views - Last reply: March 09, 2025
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How to find the factory key code to program GMC Vandura 2500 2WD keys?

Hello! We've developed a VIN-based tool to help you get your key code for the GMC Vandura 2500 2WD. Check it out here: VIN Key Code Generator.

Replies (3)

Just what I needed! My GMC Vandura 2500 2WD has been acting up lately.

I tried this with my GMC Vandura 2500 2WD but still no luck. Any suggestions?

Still can’t find the code for my GMC Vandura 2500 2WD. This might do it.

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Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
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