B144C Code: Meaning, Causes, and Symptoms | OBD2 Codes

B144C – Inverted Run/Start Power Relay Circuit


B144C Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B144C Possible Causes


Faulty Inverted Run/Start Power Relay,Inverted Run/Start Power Relay harness is open or shorted,Inverted Run/Start Power Relay circuit poor electrical connection,Faulty Steering Column Lock Module


B144C Description


The vehicle theft deterrent subsystem provides the capability to lock or unlock the steering column electrically. The Steering Column Lock Module is allowed to unlock when power mode transitions to a non off power mode and an authenticated driver identification device is present. Once the column is unlocked, a crank request can be allowed.