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Home >> Hyundai >> 2021 >> Tucson SEL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (1 Of 5) >> DTC P0037-00: HO2S Heater Control Circuit Low (Bank 1/Sensor 2) >> DTC Inspection >> Monitor GDS Data >> Current Data Inspection
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Current Data Inspection

  1. Ignition "OFF".
  2. Connect GDS to Data Link Connector (DLC).
  3. Ignition "ON" & Engine "ON".
  4. Monitor following parameters in "Current Data"  with GDS.

    Specification:  Refer to Figure below

    G13031507Courtesy of HYUNDAI MOTOR AMERICA
  5. Is the parameter displayed 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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