DTC P2181-00: Cooling System Performance: General Description
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Integrated Thermal Management Module (ITM) is a device that controls the flow rate of coolant according to the temperature of the coolant. At initial start up, the ITM adjusts the valve to allow coolant to flow only to the engine, helping to warm up quickly and improve fuel efficiency through rapid warm-up. When the coolant temperature increases, the ITM adjusts the flow and temperature of the coolant with the radiator or heater.