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Home >> Kia >> 2019 >> Rio LX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) >> DTC P0141-00: O2 Sensor Heater Circuit(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
  • Heater Performance Check
  • Poor connector connection
  • Open or short to ground in power circuit
  • Open in control circuit
  • HO2S (B1S2)
  • Corrosion
Enable Conditions
  • EGT around downstream O2S (model) is less than 900°C (1652°F)
  • Engine start time is greater than 60s
  • Sensor heating voltage is greater than 6V
  • Battery voltage is at between 10.7V and 16.1V
Threshold Value
  • Sensor heating current is less than 0.02 to 0.2A
Diagnostic Time
  • 12s
MIL ON Condition
  • 3 driving cycles
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