Toyota Mirai Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

Compatible keys for Toyota Mirai

Before you order

• Match the year range — Toyota changed key systems across model years. Check your registration year.
• Check your current key — the OEM number printed on your key matches the table above.
• Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

What frequency is the Toyota Mirai key?

The Toyota Mirai key operates on 314 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.

What chip does the Toyota Mirai key use?

The Toyota Mirai uses a 4A chip. Tell your supplier the chip type when ordering so you receive the correct blank — an ID46 blank will not replace an ID47 or 4D83 key.

Which key fits my Toyota Mirai?

The Toyota Mirai (2021-2023) uses the HYQ14FLA NO.3450 312/314 MHz 4A Chip Smart Key for Toyota Mirai 2021-2023. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Toyota Mirai keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Related: All Toyota keys · All guides · Key Finder

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