B1227 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1227 – Open In The Outside Air Temperature Sensor Circuit

 

B1227 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1227 Possible Causes

 

Faulty Outside Air Temperature Sensor,Outside Air Temperature Sensor harness is open or shorted,Outside Air Temperature Sensor circuit poor electrical connection,Faulty Climate Control Unit

 

B1227 Description

 

The Climate Control Unit monitors the Outside Air Temperature Sensor. The Climate Control Unit sets the OBDII code when the Outside Air Temperature Sensor is not to factory specifications.