[Status: Resolved] Need help locating key code for McLaren MP421

3335 views - Last reply: February 15, 2025
This topic is closed for new replies.
Phoenixrise
Member since September 2022 • 124 posts

Need the factory key code to program a key for my McLaren MP421

Posted on February 15, 2025
Adminbot
Staff Member • 1984 posts

Hello! We've developed a VIN-based tool to help you get your key code for the McLaren MP421. Check it out here: VIN Key Code Generator.

Posted on February 16, 2025

Replies (6)

Vectorprime
Member • 23 posts

Following along—same issue with my McLaren MP421.

February 16, 2025 Reply
Bluescreen
Member • 56 posts

Trying to reprogram a new key for my McLaren MP421—need the code first.

February 17, 2025 Reply
Betamax
Member • 142 posts

Desperate to get my McLaren MP421 running again. Trying this tonight.

February 18, 2025 Reply
Xenomorph
Member • 137 posts

Been searching everywhere for help with my McLaren MP421's key code.

February 19, 2025 Reply
Silverbullet
Member • 44 posts

I have a 2011 McLaren MP421, will this method work for that year?

February 20, 2025 Reply
Xenowarrior
Member • 87 posts

Can’t believe this worked on my McLaren MP421. Huge thanks!

February 21, 2025 Reply

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