B1224 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1224 – Short In The Rear In-Car Temperature Sensor Circuit

 

B1224 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1224 Possible Causes

 

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

 

B1224 Description

 

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