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Home >> Hyundai >> 2003 >> Elantra GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> 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
  • Voltage range check
  • Short to Battery in signal harness
  • Contact resistance in connectors
  • Faulty Heated O2 Sensor (HO2S)
Enable Condition
  • 10 < Battery voltage < 16V
  • No relevant failure
Threshold Value
  • Sensor voltage > 1.3V
Diagnostic Time
  • 1 sec.
MIL On Condition
  • 2 Driving Cycles