[Issue Closed] Pontiac Grand Prix X400 won’t respond to my new key - PIN code?

477 views - Last reply: November 05, 2024
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Where can I locate the key code to program a Pontiac Grand Prix X400 key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the Pontiac Grand Prix X400. Check it out here: VIN Key Code Generator.

Replies (3)

This might finally help me unlock my Pontiac Grand Prix X400's key code.

Crossing my fingers—really need this for my Pontiac Grand Prix X400!

This looks helpful for those of us with a locked-out Pontiac Grand Prix X400.

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An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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