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Home >> Kia >> 2019 >> Sorento SX, 4WD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control Diagnosis >> DTC U0001: High Speed CAN Communication Bus Off >> DTC Inspection >> Monitor DTC Status

Monitor DTC Status

  1. Connect KDS to Data Link Connector (DLC).
  2. Ignition switch "ON"
  3. Select correct Vehicle Model, Year, and Engine Type.
  4. Select "Engine", "A/T","4WD" and "ESC","CGW" system.(1)
  5. Select "Fault Code Searching".(2)
    G12841231Courtesy of KIA MOTORS AMERICA, INC.
  6. Monitor DTCs in selected system.
    G12841232Courtesy of KIA MOTORS AMERICA, INC.
  7. Does selected systems have any DTCs present?

    YES 

    • Repair any CAN related DTCs first and then carefully re-do this troubleshooting guide steps.
    • If problem still occurs, go to "WIRING INSPECTION " procedure.

    NO 

    • 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 REPAIR " procedure.
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