B1518 KIA – Seat Belt Buckle Switch Passenger Instability

B1518 KIA Possible Symptoms

Air Bag Warning Light ON

B1518 KIA Possible Causes

Faulty Seat Belt Buckle Switch Passenger,Seat Belt Buckle Switch Passenger harness is open or shorted,Seat Belt Buckle Switch Passenger circuit poor electrical connection,Faulty Supplemental Restraints System Control Module (SRSCM)

B1518 KIA Description

Seat-belt Buckle Switch (SBBS) is located in driver and passenger side seat. The Supplemental Restraints System Control Module (SRSCM) checks if the seatbelt is buckled by the signal of SBBS. SRSCM controls air bag module and Seat Belt Pretensioner (BPT) differently in accordance with vehicle speed at the moment of collision and signal from SBBS.