Monitor Description
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.
- Grille Shutter Motor Malfunction
If the grille shutter ECU detects a malfunction in the grille shutter motor drive circuit when a grille shutter operation is requested, it will output a malfunction signal to the ECM and the ECM will store a DTC.
Detection Condition DTC No. Short to Ground P05A2-11 (Active Grille Air Shutter "A" Circuit Short to Ground) Short to +B P05A2-12 (Active Grille Air Shutter "A" Circuit Short to Battery) Open P05A2-13 (Active Grille Air Shutter "A" Circuit Open) - Grille Shutter ECU Internal Malfunction
If the grille shutter ECU detects an internal malfunction, it will output a malfunction signal to the ECM and the ECM will store a DTC.
Detection Condition DTC No. EEPROM Malfunction P05A2-13 (Active Grille Air Shutter "A" Circuit Open) Analog/Digital Conversion Malfunction