2021-2023 Toyota Immobilizer and Smart Key Reset TSB

What is the Toyota Immobilizer and Smart Key Reset?

The Toyota Immobilizer and Smart Key Reset is a specialized feature designed to address situations where all master keys for a vehicle have been lost. This procedure allows for the registration of new keys, restoring the vehicle's functionality and security.

When is the Reset Procedure Necessary?

This reset procedure is specifically required when a vehicle owner has lost all master keys. Without a master key, new keys cannot typically be programmed or registered to the vehicle's immobilizer and smart key system. The Toyota immobilizer smart key reset provides a solution for this critical scenario.

Important Considerations for the Reset

It is crucial to understand that once the Immobilizer and Smart Key system is reset, all previously registered keys will be erased from the vehicle's memory. This means any remaining spare keys that were previously functional will no longer work and will need to be re-registered along with any new keys.

Overview of the Reset Procedure

The TSB outlines the necessary steps for technicians to perform the Toyota immobilizer smart key reset. This involves accessing the vehicle's immobilizer or smart key system and initiating a reset sequence. The primary goal is to clear all existing key data, allowing for a fresh registration of new or replacement keys.

What Owners Should Know

If you find yourself in a situation where all master keys for your 2021-2023 Toyota are lost, you will need to visit a Toyota dealership. They have the tools and procedures, as detailed in this TSB, to perform the Immobilizer and Smart Key Reset. Be aware that this process will invalidate any previously working keys, so ensure you have all new or replacement keys ready for registration during the service appointment.

NHTSA ID: 10238157