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Home >> Kia >> 2017 >> Optima SX >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (Except HEV) >> DTC C1604-04: ECU Hardware Error >> DTC Inspection >> Monitor KDS/GDS Data

Monitor KDS/GDS Data

  1. Ignition switch "OFF"
  2. Connect KDS/GDS to Data Link Connector (DLC).
  3. Ignition switch "ON" & Engine "ON"
  4. Monitor "Battery Positive Voltage" parameter in "Current Data"  with KDS/GDS.

    Specification  : B+

    Fig 1: Screen Display - EPB System Battery Voltage During Engine ON
    G12137304Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the displayed parameter within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "Verification of Vehicle Repair " procedure.

    NO 

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