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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0038: HO2S Heater Control Circuit High (Bank 1/Sensor 2) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  1. Open or short to battery in control harness
  2. Poor connection or damaged harness
  3. Faulty HO2S
Enable Conditions
  • No relevant failure
  • 10V< Battery voltage <16V
  • 3.5%< O2 sensor heater control duty <96.5%
Threshold Value
  • Open circuit or short circuit to battery
Diagnostic Time
  • 10 sec.
Mil On Condition
  • 2 Driving Cycles
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