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Home >> Kia >> 2021 >> Telluride EX, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 7) >> DTC P0156-00: O2 Sensor Circuit (Bank 2/Sensor 2) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  • Open in signal harness
  • Open in ground harness
  • Poor connection or damaged harness
  • Faulty HO2S
Enable Condition
  • HO2S operative readiness is detected.

    (Sensor element resistance is lower than 1kΩ or heater maximum heating or normal heating for more than 75s)

  • Battery voltage between 10V and 16V
Threshold Value
  • Downstream HO2S element resistance is higher than 22.5kΩ
  • Open circuit
Diagnostic Time
  • 2.5s
MIL ON Condition
  • 2 driving cycles