DTC Detection Logic

DTC No.

Trouble diagnosis content

DTC detecting condition

Possible cause

P0117

Engine coolant temperature sensor circuit low input

An excessively low voltage from the sensor is sent to ECM.

• Harness or connectors

  (The sensor circuit is open or shorted.)

• Engine coolant temperature sensor

P0118

Engine coolant temperature sensor circuit high input

An excessively high voltage from the sensor is sent to ECM.