Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.
*: Use the GTS.