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Home >> Hyundai >> 2009 >> Sonata GLS, 3.3 F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures - 3.3L (1 Of 2) >> DTC P0154: O2 Sensor Circuit No Activity Detected (Bank 2/Sensor 1) >> Monitor DTC Status

Monitor DTC Status

  1. Check DTC Status
    1. Connect scantool to Data Link Connector (DLC).
    2. IG "ON".
    3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu
    4. Read "DTC Status" parameter.
      Fig 1: Screen Display - DTC Status (1 Of 2)
      G06107899Courtesy of HYUNDAI MOTOR CO.
      Fig 2: Screen Display - DTC Status (2 Of 2)
      G06107900Courtesy of HYUNDAI MOTOR CO.
    5. Is parameter displayed "Present fault"?

      YES 

      NO 

      • Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM 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.