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Home >> Hyundai >> 2021 >> Accent SE, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P2270-00: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • No signal activity
  1. Poor connection
  2. Open or Short to ground in harness
  3. HO2S (S2)
  4. ECM
Prerequisite Conditions
  • Battery voltage is higher than 10.7V
  • Lambda is than 0.8 for 8 sec
Threshold Value
  • Downstream O2S voltage is lower than 0.69~0.7V
Diagnostic Time
  • 10 sec
MIL
  • 2 Driving Cycles
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