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Home › Hyundai › 2021 › Tucson Ultimate, FWD › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis - 2.4L (2 Of 5) › DTC P0136-00: O2 Sensor Circuit (Bank 1/Sensor 2) › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical monitoring
  1. Poor Connector Connection
  2. Open in Downstream O2 Sensor Signal Circuit
  3. Open in Downstream O2 Sensor Ground Circuit
  4. Faulty Downstream O2 Sensor
Enable Conditions
  • Downstream O2 sensor operative readiness detected (sensor element resistance lower than 1kΩ or heater max heating or normal heating for higher than 75s.)
  • Battery voltage higher than 10V and lower than 16V
  • No relevant DTC present
Threshold Value
  • Downstream O2 sensor element resistance higher than 24kΩ
Diagnostic Time
  • 2s
MIL ON Condition
  • 2 Driving cycles
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