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Home >> Kia >> 2025 >> Soul EX >> 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
  • Faulty related fuse
  • Open, short in power circuit
  • Open, short in heater control circuit
  • Faulty downstream O2 Sensor
Enable Conditions
  • EGT around O2 sensor temperature is at between 350 and 650°C (662 and 1202°F)
  • Intake air temperature is higher than -7°C (19.4°F)
  • Battery voltage is at between 10.7 and 16.1V
Threshold Value
  • Internal resistance is higher than threshold
Diagnostic Time
  • 15s
MIL ON Condition
  • 3 driving cycles
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