B1230 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1230 – Short In The Sunlight Sensor Circuit

 

B1230 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1230 Possible Causes

 

Faulty Sunlight Sensor,Sunlight Sensor harness is open or shorted,Sunlight Sensor circuit poor electrical connection,Faulty Climate Control Unit

 

B1230 Description

 

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