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DTC P0118: Engine Coolant Temperature Sensor Circuit - High Input: Condition

DTC is set when Engine Control Module (ECM) detects Engine Coolant Temperature (ECT) sensor input voltage is 5 volts or more for 5 seconds continuously. Engine coolant temperature low and ECT sensor resistance high. MIL is illuminated when ECM detects malfunction during first drive cycle. Possible causes are:

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