B14B4 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B14B4 – Passenger Seat Heater Thermistor Circuit Short Circuit


B14B4 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B14B4 Possible Causes


Faulty Passenger Seat Heater Module,Passenger Seat Heater Module harness is open or shorted,Passenger Seat Heater Module circuit poor electrical connection,Faulty Air Condition (A/C) Control Module


B14B4 Description


The Air Condition (A/C) Control Module monitors the Passenger Seat Heater Thermistor. The A/C Control Module sets the OBDII code when the Passenger Seat Heater Thermistor is not to factory specifications.