FixVault

DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0127

IAT SENSOR-B1

(Intake air temperature too high)

Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from Intake air temperature sensor.

  • Harness or connectors

    (The intake air temperature sensor circuit is open or shorted)

  • Intake air temperature sensor