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Home >> Hyundai >> 2004 >> Elantra GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2) >> Inspection Procedures >> 1. Check Other DTC
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1. Check Other DTC

  1. Connect a Hi-Scan (Pro) to the data link connector.
  2. Turn ignition switch to ON position and monitor any other DTCs.

Are any other DTCs also set? 

No: Go to next step.

Yes: Do all repairs associated with those codes before proceeding with this procedure.