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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (Except HEV) (2 Of 3) >> DTC B1490-00: OCS (Occupant Classification System) Defect >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Monitor Data
  1. OCS ECU wire harness and connector
  2. OCS ECU components
Prerequisite Condition
  • Ignition switch ON
Threshold Value
  • SRSCM get OCS ECU Failure message via CAN communication
Diagnostic Time Qualification
  • More than 2 sec
De-Qualification
  • More than 4 sec
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