Typical Malfunction Thresholds
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.
C0597 (CASE 1)
| Either of the following conditions is met | - |
| EEPROM write | Failure |
| EEPROM read | Failure |
C0597 (CASE 2)
| Either of the following conditions is met | - |
| Serial communication with low side IC | Invalid |
| Serial communication with high side IC | Invalid |
C0597 (CASE 3)
| CPU function | Irregularity |
C0597 (CASE 4)
| IC function | Irregularity |