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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (Except HEV) >> DTC C1646-08: CAN Message Failure - TCU >> DTC Inspection >> Monitor DTC Status

Monitor DTC Status

  1. Vehicle Parked & Ignition ON.
  2. Connect GDS and select "DTC Analysis" mode.
  3. Click "DTC Status" on the "Diagnostic Trouble Codes (DTC)" menu bar to view DTC's information.
  4. If DTC Status is present fault, then go to the next procedure and if it is History fault, then clear DTC and check the same DTC reoccurs.
    Fig 1: Screen Display - DTC Description
    G11989838Courtesy of HYUNDAI MOTOR AMERICA
  5. Is parameter displayed "Present fault"?

    YES 

    • Check DTCs related with TCM System (gear position, etc). If there are the DTCs, repair them and then confirm deletion.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO