DTC Summary
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- MALFUNCTION DESCRIPTION
This DTC indicates when the temperature sensor value inside the inverter has become abnormal. The cause of this malfunction may be one of the following:
Internal inverter malfunction
- Inverter internal circuit malfunction
- Malfunction in ECU that controls the inverter
- Malfunction in sensor for inverter control (coolant temperature sensor)
Hybrid cooling system malfunction
- Coolant is leaking, coolant level is insufficient, coolant is frozen or coolant passage is clogged.
- Grille is blocked.