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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 56 (Low Dc/Dc Converter Diagnosis (HEV)) >> DTC P0C3A: DC/DC Converter Temperature Sensor 'A' Low >> Scantool Diagnostics >> Monitor DTC Status

Monitor DTC Status

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON (SSB LED "BLUE") & Vehicle "STOP".
  2. Connect GDS and select "DTC Analysis" mode.
  3. Click "DTC Status" on the menu bar to view DTC information.
  4. Confirm that the "DTC Readiness Flag" indicates "COMPLETED". If not, drive the vehicle within conditions noted in Freeze Frame Data or Enable Conditions.
  5. Read the "DTC Status" parameter.
    Fig 1: Screen Display - DTC Status
    G10607065Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Screen Display - Current Data
    G10607066Courtesy of HYUNDAI MOTOR AMERICA

    Parameter of "LDC temperature" will be fixed at -50°F, if there is any fault in LDC Temperature.

  6. Is parameter displayed "Present fault" & temperature indicated -50°F?

    YES 

    • Substitute with a known-good HPCU (LDC) and check for proper operation. If the problem is corrected, replace HPCU (LDC) and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    Fig 3: Identifying Power Relay Assembly
    G10607067Courtesy of HYUNDAI MOTOR AMERICA