B1878 MAZDA – Seat Belt Driver Pretensioner Circuit Short To Battery

B1878 MAZDA Possible Symptoms

Air Bag Warning Light ON

B1878 MAZDA 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)

B1878 MAZDA Description

The Restraints Control Module (RCM) checks all of the safety Seat Belt Pretensioners for faults. If the RCM detects a short to voltage on a Driver Safety Seat Belt Pretensioner circuit, it will store diagnostic trouble code (DTC) B1878 in memory and illuminate the air bag warning indicator.