[Archived] Looking for help getting the transponder code for my 1991 Chevrolet Suburban

592 views - Last reply: February 26, 2025
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How can I find my 1991 Chevrolet Suburban's key code to program a new key?

Hello! We've developed a VIN-based tool to help you get your key code for the 1991 Chevrolet Suburban. Check it out here: VIN Key Code Generator.

Replies (5)

Looking for the same thing for my 1991 Chevrolet Suburban, hope someone can help.

This looks helpful for those of us with a locked-out 1991 Chevrolet Suburban.

My 1991 Chevrolet Suburban just sits silent—hoping this changes that.

Key code problems with my 1991 Chevrolet Suburban as well. Subscribed!

Got a dead key fob for my 1991 Chevrolet Suburban. Need the code badly.

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Security Systems
A flashing security light often indicates an immobilizer issue. Solid light suggests the system is armed but not recognizing your key. Causes: faulty key chip, damaged antenna ring, low battery, or system needs reprogramming.
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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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