Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1109 OBD Code Description

IAT – B Sensor Intermittent is one of the Definitions for the P1109; however your vehicle’s manufacturer may have a different Definition for the P1109 code. Please check below for your specific make.

P1109 Information for specific makes

P1109
P1109
P1109
P1109
P1109
P1109
P1109
P1109
P1109
P1109