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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (3 Of 9) >> DTC P0140-00: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • O2S signal interrupt by heater
  1. Poor connection
  2. Open or short in signal circuit
  3. B1/S2
Enable Condition
  • Battery voltage is higher than 10.7V
  • Time after dew point end detected is higher than 10 sec
Threshold Value
  • The number of that the absolute value of Ausvk is greater than 2V during 0.04 sec after turning on and off a heater is more than or equal to 5 times.
Diagnosis Time
  • 2 sec
MIL ON Condition
  • 2 driving cycle
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