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.