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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System Diagnosis - 3.3L (1 Of 9)) >> DTC P0038-00: HO2S Heater Control Circuit High (Bank 1/Sensor 2) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  1. Poor connection or damaged harness
  2. Open circuit or short to battery in control circuit
  3. Faulty HO2S (B1/S2)
  4. ECM
Enable Conditions
  • Engine Running (Engine speed is greater than 32 RPM.)
  • Exhaust gas temperature (model) is higher than 400°C (752°F)
  • Battery Voltage between 10V and 16V
Threshold Value
  • Open circuit or Short to battery
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles
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