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Home >> Hyundai >> 2021 >> Tucson Limited, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (5 Of 5) >> DTC P2270-00: O2 Sensor Signal Stuck Lean (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. Faulty Downstream O2 Sensor
Enable Conditions
  • No fuel cut off
  • No full load
Threshold Value
  • Downstream O2 sensor voltage lower than 0.75V when lambda set point is 0.8
Diagnostic Time
  • 7s after lambda set point shift to corresponding side
MIL ON Condition
  • 2 Driving cycles
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