Monitor Description
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
If an open or short in the fuel (engine room side) pump assembly (for high pressure side) circuit is detected after the engine is started, the ECM will illuminate the MIL and store this DTC.