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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System Diagnosis - 2.0L (Except HEV) (1 Of 6)) >> DTC P0038-00: HO2S Heater Control Circuit High (Bank 1/Sensor 2) >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Monitoring
  1. Poor connector connection
  2. Open circuit or short to battery in control circuit
  3. Faulty HO2S (B1/S2)
Enable Condition
  • Battery voltage is between 11 and 16V
  • O2 sensor heater control duty between 3.5 and 96.5%
  • No relevant failure
Threshold Value
  • Short to battery in rear HO2S heater circuit
Diagnostic Time
  • 10 seconds
MIL ON Condition
  • 2 driving cycles
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