DTC Summary
WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. 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.