WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Hybrid vehicle control ECU assembly
DTC P0A1C (INF 710/797) is not detected DTC P1C2C (INF 706) is not detected DTC P1CA8 (INF 708) is not detected