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 the SPD vehicle speed signal from the skid control ECU (brake actuator assembly) is 0 km/h (0 mph) or less, even though the vehicle is being driven, the ECM illuminates the MIL and stores a DTC.