Details On DTCs

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P0116-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	ECT sensor No. 1 system: Function malfunction
Detection condition	Determination conditions	The engine coolant temperature detected by the ECT sensor No. 1 does not increase to the standard or more within the specified period of time after the engine is started.
	Preconditions	Before starting the engine, leave the vehicle with the engine turned off for 6 hours or more. The following DTCs are not detected: ECT sensor No. 1: P0117-00: and P0118-00:
	Malfunction determination period	Not applicable
	Drive cycle	1
	Self test type	CMDTC self test
	Sensor used	ECT sensor No. 1
Fail-safe	Not applicable
Vehicle status when DTCs are output	Not applicable
Possible cause	ECT sensor No. 1 connector or terminal malfunction PCM connector or terminal malfunction ECT sensor No. 1 incorrect installation ECT sensor No. 1 malfunction Poor assembly of engine coolant hose (engine coolant passage malfunction) Poor engine coolant, leakage, or freezing Use of unspecified engine coolant Thermostat malfunction PCM malfunction