Monitor Description
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
When the swing grille actuator assembly detects that there is a grille shutter circuit malfunction, a DTC request is sent to the ECM and the ECM stores a DTC.