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Home >> Kia >> 2021 >> Niro Plug-In Hybrid LXS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (6 Of 6) >> DTC P2626-00: O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  • Poor connector connection or damaged harness
  • Open in HO2S control circuit
  • Front HO2S
Enable Condition
  • Sensor ceramic temperature is greater than 640°C (1184°F)
  • HO2S activation status
  • Normal auxiliary battery voltage (11 to 16V)
  • Front HO2S heating time greater than 30s (maximum heating or normal heating condition)
Threshold Value
  • Measured WRAF sensor label resistor is greater than 4644Ω
Diagnostic Time
  • 2.5s
MIL ON Condition
  • 2 driving cycles
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