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Home >> Hyundai >> 2021 >> Tucson Limited, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (5 Of 5) >> DTC P2251-00: O2 Sensor Reference Ground Circuit/Open (Bank 1 Sensor 1) >> DTC Inspection >> Monitor DTC Status
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Monitor DTC Status

  1. Connect GDS to Data Link Connector (DLC).
  2. Ignition "ON".
  3. Monitor "Diagnostic Trouble Codes (DTC)  " with GDS.
    G13037956Courtesy of HYUNDAI MOTOR AMERICA
  4. Is DTC status displayed as Present?

    YES 

    NO