B11F0 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B11F0 – Air Intake Damper Position Sensor Circuit

 

B11F0 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B11F0 Possible Causes

 

Faulty Air Intake Damper Position Sensor,Air Intake Damper Position Sensor harness is open or shorted,Air Intake Damper Position Sensor circuit poor electrical connection,Faulty Heating, Ventilation, and Air Conditioning (HVAC) Module

 

B11F0 Description

 

The Heating, Ventilation, and Air Conditioning (HVAC) Module supplies ground to the air inlet door actuator motor through the recirc open circuit to rotate the air inlet door actuator 180 degrees to the outside air position, or the recirc close circuit to rotate the air inlet door actuator another 180 degrees to the recirculated air position. Voltage is supplied to the air inlet door actuator.