[Archived] Help with programming a key for my 2021 RAM 1500 Big HornLone

4495 views - Last reply: April 29, 2025
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How do I obtain the key code to program a 2021 RAM 1500 Big HornLone key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the 2021 RAM 1500 Big HornLone. Check it out here: VIN Key Code Generator.

Replies (4)

Just checking in to say this helped with my 2021 RAM 1500 Big HornLone. Thanks!

Using this on my 2021 RAM 1500 Big HornLone now. Hope it works.

Anyone try this on a 2021 RAM 1500 Big HornLone with push-button start?

Hoping someone can confirm this works for a newer 2021 RAM 1500 Big HornLone.

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Lost Keys
Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
Key Fob Issues
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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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