OBD Code P0127

Intake Air Temperature Too High

What’s mean?

OBD2 Code P0127 Definition:
The intake air temperature sensor is built into mass air flow sensor. The sensor detects intake air temperature and transmits a signal to the ECM. The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise.

Symptoms

Possible sumptoms of P0127
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0127
– Intake air temperature sensor harness is open or shorted – Intake air temperature sensor electrical circuit poor connection – Faulty Intake air temperature sensor

Possible Solutions