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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Engine Control System Diagnosis - 2.0L (Except HEV) (2 Of 6)) >> DTC P0141-00: O2 Sensor Heater Circuit (Bank 1/Sensor 2) >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Heater performance check
  1. Poor connector connection
  2. Faulty related fuse
  3. Open/short in power circuit
  4. Open/short in heater control circuit
  5. Faulty downstream HO2S
Enable Condition
  • EGT around HO2S temperature between 350 and 650°C (662 and 1202°F)
  • IATS is more than -7°C (19.4°F)
  • Battery voltage between 10.7 and 16.1V
Threshold Value
  • Internal resistance is higher than threshold
Diagnostic Time
  • 15 seconds
MIL ON Condition
  • 2 driving cycles
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