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Home >> Hyundai >> 2021 >> Tucson Ultimate, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (2 Of 2) >> DTC B1490-00: OCS (Occupant Classification System) Defect >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check Data
  1. Poor connection of connected part.
  2. Faulty OCS (Occupant Classification System) System
Enable Conditions
  • Ignition "ON"
Threshold Value
  • SRSCM get OCS (Occupant Classification System) ECU Failure message via CAN communication
Diagnostic Time Qualification
  • More than 2 sec
De-Qualification
  • More than 4 sec
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