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Home >> Kia >> 2012 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.0L >> DTC P2626: O2 Sensor Pumping Current Trim Circuit Open (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Pumping current trim circuit open (VRC)
  1. Poor connection or damaged harness
  2. Open in HO2S control circuit
  3. Front HO2S
Enable Conditions
  • 10V < Battery voltage < 16V
Threshold value
  • Signal > 4.7V during fuel cut off
Diagnosis Time
  • Within 15 Seconds after related symptom detected.
MIL On Condition
  • 2 Drive Cycles
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