[Solution] My 2021 Toyota 4Runner Nightshade key fob works, but car won’t start - code issue?

4446 views - Last reply: August 05, 2024
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Trying to program a spare key - where's the key code on my 2021 Toyota 4Runner Nightshade?

Hello! We've developed a VIN-based tool to help you get your key code for the 2021 Toyota 4Runner Nightshade. Check it out here: VIN Key Code Generator.

Replies (6)

Still looking for a reliable way to find the key code on my 2021 Toyota 4Runner Nightshade.

I really hope this trick works on my 2021 Toyota 4Runner Nightshade.

Following closely—this could be the fix I need for my 2021 Toyota 4Runner Nightshade.

Will this work for older 2021 Toyota 4Runner Nightshades? Mine's a 2009.

Really need the key code for my 2021 Toyota 4Runner Nightshade, thanks for sharing!

My 2021 Toyota 4Runner Nightshade refuses to start. Could be the key code—trying this fix.

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Lost Keys
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Cost & Options
You can buy fobs online, but: 1) Must match your exact model/year 2) Many still require professional programming 3) Cheap knockoffs may not work reliably. Some eBay/Amazon sellers offer programming instructions for DIY-friendly models.
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