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Home >> Kia >> 2015 >> Forte5 EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 2.0L >> DTC P0031: HO2S Heater Control Circuit Low (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  1. Poor connection
  2. Short to ground in control circuit
  3. Upstream O2S
Enable Conditions
  • IG ON
Threshold Value
  • Short to ground
Diagnosis Time
  • -
Mil On Condition
  • 2 trips

* S1: upstream oxygen sensor/S2: downstream oxygen sensor

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