July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC P0116 - Engine Coolant Temperature Sensor Circuit Range/Performance Problem

ECT SENSOR TROUBLE SHOOTING

DTC No.	Detecting Condition(s)	Trouble Area
P0116	20 min. or more after starting engine, engine coolant temp. sensor value is 30°C (86°F) or less (2 trip detection logic)	Engine Coolant Temp. sensor. Cooling system.

Fig 1: DTC P0116 - Diagnostic Flowchart