Home >> Lexus >> 2006 >> IS 250 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (4GR-FSE) - DTC P0010 - P0158 >> DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input >> Component Operating Range