DTC C120F: Open in Master Reservoir Level Switch Circuit [06/2018 - ]: Wiring Diagram
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC C1202.
Refer to DTC C1202: Master Reservoir Level Malfunction [06/2018 - ]