B1225 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1225 – Open In The In-Car Temperature Sensor Circuit

 

B1225 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1225 Possible Causes

 

Faulty In-Car Temperature Sensor,In-Car Temperature Sensor harness is open or shorted,In-Car Temperature Sensor circuit poor electrical connection,Faulty Climate Control Unit

 

B1225 Description

 

The Climate Control Unit monitors the In-Car Temperature Sensor. The Climate Control Unit sets the OBDII code when the In-Car Temperature Sensor is not to factory specifications.