B1400 KIA – SIS Front-Driver Defect

B1400 KIA Possible Symptoms

Air Bag Warning Light ON

B1400 KIA Possible Causes

Faulty Front-Driver Side Impact Sensor (SIS),Front-Driver Side Impact Sensor (SIS) harness is open or shorted,Front-Driver Side Impact Sensor (SIS) circuit poor electrical connection,Faulty Supplemental Restraints System Control Module (SRSCM)

B1400 KIA Description

The Side Impact Sensor (SIS) is located on both side of the center pillar detects a broad collision. When SIS delivers collision signal to Supplemental Restraints System Control Module (SRSCM), SRSCM checks if safing sensor located in SRSCM detects a collision. and if both SIS and the safing sensor detects collision simultaneously, SRSCM operates side air bag.