General Information

B1389 STPS (Seat Track Position Sensor) - Driver Defect

General Information

Component Location





General Description

STPS located underneath passenger seat detects horizontal position of passenger seat and delivers it to SRSCM.
Signal of STPS is the one of major parameters that determine the way dual output type airbag deploys.

DTC Description

The SRSCM sets DTC B1389 if there is any fault in STPS circuit.

DTC Detecting Condition





Diagnostic Circuit Diagram