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Home >> Kia >> 2009 >> Sorento Base, A5SR2 >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 3) >> P0140: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> Monitor DTC Status
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Monitor DTC Status

  1. Check DTC Status
    1. Connect scan tool to Data Link Connector (DLC).
    2. IG "ON".
    3. Select "Diagnostic Trouble Codes (DTCs)" mode, and then Press F5(INFO) to check DTC's information from the DTCs menu.
    4. Read "DTC Status" parameter.
      Fig 1: Screen Display - DTC Status
      G06411547Courtesy of KIA MOTORS AMERICA, INC.
    5. Is "Present" Fault displayed?

      YES 

      • Inspect & Repair as necessary.

      NO 

      • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.