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Home >> Hyundai >> 2012 >> Accent GS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0038: HO2S Heater Control Circuit High (Bank 1/Sensor 2) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Heater check high
  1. Poor connection
  2. Short to power in control circuit
  3. B1/S2
Enable Conditions
  • IG ON
Threshold Value
  • Short to battery
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 driving cycle

S1: upstream oxygen sensor/S2: downstream oxygen sensor

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