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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 84 (HEV Control System Diagnosis (HEV)) >> DTC P1A86: Inappropriate and Low SOC >> 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
    G10602169Courtesy of HYUNDAI MOTOR AMERICA
  6. Is parameter displayed "Present Fault"?

    YES 

    • Check belt condition, Installation condition, contamination by water or foreign materials etc., belt tension condition and etc. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure. (Be careful especially when you check belt. Because the Generator (HSG) belt can be operated when mode is changed from EV Mode to HEV mode).
    • Check Engine first if there is any DTC on the engine side and confirm that it is erasable. And erase the DT P0A0F and check that MIL is ON again.
    • Check MCU first if there is any DTC on the MCU side and confirm that it is erasable. And erase the DTC P0A0F and check that MIL is ON again.
    • Check BMS first if there is any DTC on the BMS side and confirm that it is erasable. And erase the DTC P0A0F and check that MIL is ON again.
    • Check MCU/HSG/BMS High Voltage connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure. And erase the DTC P0A0F and check that MIL is ON again.
    • Check MCU/HSG/BMS High Voltage connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Fault is intermittent caused by poor contact in the sensor's and/or Control module's connector or was repaired and Control module's memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and to "Verification of Vehicle Repair" procedure.
Fig 2: Power Relay Assembly
G10602170Courtesy of HYUNDAI MOTOR AMERICA
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