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Home >> Hyundai >> 2017 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 1.6L GDI >> DTC P2271: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

DTC DETECTING CONDITIONS AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • No signal activity
  1. Poor connection
  2. Short to Power in signal circuit
  3. HO2S (B1/S2)
  4. ECM
Enable Conditions
  • Mass flow is between 20 and 120kg/h
  • Delta Mass Flow 2kg/h
Threshold Value
  • Downstream O2S voltage is higher than 0.65V for 8 sec.
  • Downstream O2S voltage is higher than 0.25V for 0.2sec (Fuel cut)
Diagnostic Time
  • -
MIL ON Condition
  • 2 Driving Cycles
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