B1879 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1879 – Seat Belt Driver Pretensioner Circuit Short To Ground


B1879 Possible Symptoms


Air Bag Warning Light ON


B1879 Possible Causes


Faulty Seat Belt Driver Pretensioner,Seat Belt Driver Pretensioner harness is open or shorted,Seat Belt Driver Pretensioner circuit poor electrical connection,Faulty Restraints Control Module (RCM)


B1879 Description


The Restraints Control Module (RCM) checks all of the safety Seat Belt Pretensioners for faults. If the RCM detects a short to ground on a Driver Safety Seat Belt Pretensioner circuit, it will store diagnostic trouble code (DTC) B1879 in memory and illuminate the air bag warning indicator.