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Home >> Kia >> 2004 >> Rio Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Fuel System & Fault Isolation >> DTC Troubleshooting >> DTC P0138: Ho2S Circuit High Input (Bank 1, Sensor 2) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Circuit high voltage
  • Short to Battery in signal harness
  • Contact resistance in connectors
  • Faulty Heated O2 Sensor (HO2S)
Enable Conditions
  • No relevant failure
  • Battery voltage > 10V
  
Threshold Value
  • Sensor voltage > 1.4V
Diagnostic Time
  • 10 sec. Continuous
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