Battery ECU Communication Stop Mode [11/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK BATTERY ECU ASSEMBLY POWER SOURCE CIRCUIT
- Check the battery ECU assembly power source circuit.
Refer to ECU Power Source Circuit [11/2022 - ]
Result
Proceed to OK NG
Result:
OK
REPLACE BATTERY ECU ASSEMBLY
Refer to REMOVAL [11/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Check the battery ECU assembly power source circuit.