[Free Fix] How do I get the key programming PIN for a used 2020 Toyota Highlander?

813 views - Last reply: May 07, 2025
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Where's the key code hidden on my 2020 Toyota Highlander for key programming?

Hello! We've developed a VIN-based tool to help you get your key code for the 2020 Toyota Highlander. Check it out here: VIN Key Code Generator.

Replies (4)

Hope this method is better than the last one I tried on my 2020 Toyota Highlander.

My 2020 Toyota Highlander needs a new key but I need the code first. Help!

This is gold. I’ve been locked out of my 2020 Toyota Highlander for days.

Hope I’m not too late to try this on my 2020 Toyota Highlander.

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Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
Security Systems
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
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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.
Key Tip: Store your key code separately from your keys
Key Programming
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.
Key Tip: Keep spare keys in a faraday bag to prevent signal amplification theft
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
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