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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Engine Control System Diagnosis (PHEV) (08 Of 10)) >> DTC P2251-00: O2 Sensor Reference Ground Circuit-Open (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy  
  • Open in circuit
  
  • Poor connector connection
  • Open in upstream O2 sensor control circuit
  • Faulty upstream O2 sensor
Enable Conditions  
  • Internal resistance higher than 950Ω
  • Internal resistance signal is valid
Threshold Value  
  • Sensor voltage is between 2.3 and 2.7V
Diagnostic Time  
  • 5s
MIL ON Condition  
  • 2 driving cycles
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