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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1188 (Engine Cooling System - 2.0L ECOBOOST (177KW/240PS) - Mi4) >> Description And Operation >> Engine Cooling - System Operation and Component Description >> Component Description >> Transmission Fluid Heater Coolant Control Valve

Transmission Fluid Heater Coolant Control Valve

WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.

If equipped, the transmission fluid heater coolant control valve is an electrically controlled solenoid to allow or block the flow of engine coolant. This electrically controllable valve is normally closed when not energized. The valve receives a fused 12V B+ supply when the ignition is in the run or start position and is grounded by the PCM via a low side driver. The PCM monitors the solenoid and circuits for electrical faults and sets an appropriate DTC.

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