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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (1 Of 3) (Except HEV)) >> DTC P0031: HO2S Heater Control Circuit Low (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  1. Short to ground in power circuit
  2. Short to ground in control circuit
  3. Poor connection or damaged harness
  4. Faulty HO2S
Enable Conditions
  • Engine speed (RPM) is higher than 32 RPM
  • Battery voltage is between 11 V and 16 V
Threshold Value
  • Short to ground
Diagnostic Time
  • Continuous
Mil On Condition
  • 2 Driving Cycles
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