[Issue Closed] 1970 Ford Mustang Boss 429 'Immobilizer Active' - won’t start after fuse pull

295 views - Last reply: April 27, 2025
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How can I find my 1970 Ford Mustang Boss 429'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 1970 Ford Mustang Boss 429. Check it out here: VIN Key Code Generator.

Replies (5)

My 1970 Ford Mustang Boss 429 is basically useless until I get this code. Fingers crossed.

I’ve got a 2012 1970 Ford Mustang Boss 429, would this method still work?

Appreciate any advice—my 1970 Ford Mustang Boss 429 won’t recognize the key.

Hope I’m not too late to try this on my 1970 Ford Mustang Boss 429.

I need this so bad for my 1970 Ford Mustang Boss 429. Subscribed!

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