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Home >> Hyundai >> 2021 >> Tucson Value, FWD >> Repair and Diagnosis (Single Page) >> 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
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • No signal activity
  1. Poor connection or damaged harness
  2. Open or Short to ground in harness
  3. Rear HO2S
  4. PCM
Enable Conditions
  • Battery voltage is higher than 10.7V.
  • Lambda is 0.8 for 8 sec.
Threshold value
  • Downstream O2S voltage is lower than 0.65V.
Diagnosis Time
  • 10 sec
MIL On Condition
  • 2 Driving Cycles
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