Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Toyota GR Corolla, 2025 Toyota Corolla, 2024 Toyota GR Corolla, 2024 Toyota Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
for TMC Made
When replacing the combination meter assembly, update the ECU security key.

Refer to UPDATE ECU SECURITY KEY [09/2022 - ]

for HV Model

for TMC Made:
When replacing the hybrid vehicle control ECU, update the ECU security key.

Refer to UPDATE ECU SECURITY KEY [09/2022 - ]
Before replacing the hybrid vehicle control ECU, refer to Registration.
Refer to REGISTRATION [09/2022 - ]

for Gasoline Model

for TMC Made
When replacing the ECM, update the ECU security key.

Refer to UPDATE ECU SECURITY KEY [09/2022 - ]
Before replacing the ECM, refer to Registration.
for Gasoline Model, TMMMS Made: Refer to REGISTRATION [09/2022 - 11/2022]

for Gasoline Model, except TMMMS Made: Refer to REGISTRATION [09/2022 - 11/2022]