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Home >> Hyundai >> 2017 >> Elantra Value Edition >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (3 Of 3) >> 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
  • Plausibility check during shift of lambda set point to rich or lean (after P2096-00/P2097-00 detection)
  1. Poor connection or damaged harness
  2. Rear HO2S
Enable Conditions
  • No fuel cut-off
  • No full load phase
  • No catalyst overheating protection
  • Battery voltage is between 11V and 16V.
Threshold value
  • Downstream HO2S signal voltage is lower than 0.75V when lambda set point is equal to 0.80.
  • Downstream O2 sensor signal is too low.
Diagnosis Time
  • 7 seconds after lambda set point shift to corresponding side
MIL On Condition
  • 2 Driving Cycles