DTC P0128-00: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature): General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Integrated Thermal Management (ITM) for battery cooling and motor waste heat recovery was proposed and it is a device which is to control a coolant according to that the effects such as compressor speed, environmental temperature and waste heat load on ITM cooling and heating performance would be investigated. It also could help better fuel economy.