Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- After replacing the ECM, make sure to perform vehicle identification number (VIN) registration and update ECU security key.
- After performing the vehicle identification number (VIN) registration and update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) battery terminal.