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DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem: Description

Refer to DTC P0115  (see ).

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0116 When one of following conditions is met (2 trip detection logic):
  • When cold engine is started and engine is warmed up, Engine Coolant Temperature (ECT) sensor value does not change
  • When warmed up engine is started, driving does not change ECT sensor value
  • After a warmed up engine is started, if the ECT sensor value does not change when the engine is stopped and then the next cold engine start is performed, it is determined that a malfunction has occurred.
  • Thermostat
  • Engine Coolant Temperature (ECT) sensor