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.
Battery ECU assembly
DTC P1A81 (INF P1A81-00) is not detected DTC P1A86 (INF P1A86-00) is not detected