[Free Solution] My McLaren Automotive 600LT Coupe won’t start - do I need a transponder code?

2251 views - Last reply: February 18, 2025
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How do I retrieve the key code for my McLaren Automotive 600LT Coupe to program a key?

Hello! We've developed a VIN-based tool to help you get your key code for the McLaren Automotive 600LT Coupe. Check it out here: VIN Key Code Generator.

Replies (6)

Following closely—this could be the fix I need for my McLaren Automotive 600LT Coupe.

Anyone have luck with this on a 2015 McLaren Automotive 600LT Coupe?

My McLaren Automotive 600LT Coupe is just sitting there waiting for a miracle like this.

Anyone have luck with this on a 2015 McLaren Automotive 600LT Coupe?

Hoping someone can confirm this works for a newer McLaren Automotive 600LT Coupe.

I really hope this trick works on my McLaren Automotive 600LT Coupe.

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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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