[Status: Resolved] Cadillac de Ville won't accept new key - transponder issue?

1009 views - Last reply: September 02, 2024
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How can I find my Cadillac de Ville's key code to program a new key?

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Replies (6)

My Cadillac de Ville's immobilizer is stuck. Hoping this helps.

My Cadillac de Ville refuses to start. Could be the key code—trying this fix.

Fingers crossed this works for my Cadillac de Ville too.

Looking for the same thing for my Cadillac de Ville, hope someone can help.

Saved me from towing my Cadillac de Ville. Thanks!

My Cadillac de Ville refuses to start. Could be the key code—trying this fix.

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Key Programming
Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
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