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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Airbag System Diagnosis (HEV)) >> DTC B1389: STPS (Seat Track Position Sensor)-Driver Defect >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible cause
DTC Strategy
  • Check current (PWM type)
  1. Poor connection of connected part.
  2. Faulty STPS.
  3. Faulty SRSCM.
Enable Conditions
  • Ignition "ON"
Threshold Value
  • 8.9mA < Current <9.5mA
Diagnostic Time Qualification
  • More than 1 sec
De-Qualification
  • More than 2 sec