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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (Except HEV) >> DTC C1604-04: ECU Hardware Error >> 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
    G11989826Courtesy of HYUNDAI MOTOR AMERICA
  5. Is parameter displayed "Present fault"?

    YES 

    • Substitute with a known-good EPB Module and check for proper operation. If problem is corrected, replace EPB Module (inside EPB ASS'Y) and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    • Perform actuation by EPB SW and check whether it is operating correctly.

    NO