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Home >> Hyundai >> 2012 >> Genesis 4.6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) - 4.6L >> DTC P0156: O2 Sensor Circuit (Bank 2 / Sensor 2) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Case1 DTC Strategy
  • Open circuit
  • Poor connection
  • Open or short in signal circuit
  • B2S2
Enable Conditions
  • Battery voltage > 10.7V
  • Exhaust gas temperature (model): 600°C ~ 900°C
  • After enough heated
ThresholdValue
  • Internal resistance > 40kΩ
Case2 DTC Strategy
  • Feedback check
Enable Conditions
  • Battery voltage > 10.7V
  • Exhaust gas temperature (model) < 900C
  • After enough heated
ThresholdValue
  • 0.40V < Downstream O2S voltage < 0.50V
DiagnosticTime
  • 600 sec
MIL ON Condition
  • 2 driving cycle
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