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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> HCU/Low Dc-Dc Converter Diagnosis (HEV) >> DTC P1696: Immobilizer-Authentication Fail >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Ignition ON (SSB LED "BLUE") & Vehicle "STOP".
  2. Connect GDS and select "Data Analysis" mode.
  3. Select "Current Data"mode and monitor "HCU Immobilizer Lock" parameter.

    Specification: 

    G13841267Courtesy of HYUNDAI MOTOR AMERICA
  4. If the "HPCU Immobilizer Lock" value is unlock, check below items.
    • Check whether Key registration is OK, immobilizer system is functioning well, CAN DTC is set or Engine ECU has no problem.
    • Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.