B14A4 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B14A4 – Refrigerant Pressure Sensor Circuit Short Circuit

 

B14A4 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B14A4 Possible Causes

 

Faulty Refrigerant Pressure Sensor,Refrigerant Pressure Sensor harness is open or shorted,Refrigerant Pressure Sensor circuit poor electrical connection,Faulty Air Condition (A/C) Control Module

 

B14A4 Description

 

The Air Condition (A/C) Control Module monitors the Refrigerant Pressure Sensor. The A/C Control Module sets the OBDII code when the Refrigerant Pressure Sensor is not to factory specifications.