B1881 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1881 – Seat Belt Passenger Pretensioner Circuit Open


B1881 Possible Symptoms


Air Bag Warning Light ON


B1881 Possible Causes


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


B1881 Description


The Restraints Control Module (RCM) checks all of the Safety Seat Belt Pretensioners for faults. If the RCM detects a low resistance or open on the Passenger Safety Seat Belt Pretensioner circuits, it will store the Diagnostic Trouble Code (DTC) B1881 in memory and illuminate the air bag warning indicator.