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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 P2237-00: O2 Sensor Pumping Current 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 Case 1  
  • Pumping line circuit open at target lambda=1
  
  • Poor connector connection or damaged harness
  • Open circuit
  • Front HO2S
Case 2  
  • Pumping line circuit open at target lambda 1
Case 3  
  • Pumping current circuit open at rich or lean side
Enable Conditions Case 1  
  • Fuel system status is closed loop
  • Differential of fuel factor is higher than 10%
  • Internal resistance Signal is Valid
Case 2  
  • Target lambda is lower than 0.97% or higher than 1.03%
Case 3  
  • Nernst voltage is higher than 0.47V or lower than 0.43V
Threshold Value Case 1, 2  
  • Sensor voltage is between 2.48V and 2.5V
Case 3  
  • Nernst voltage is lower than 1V or higher than 4V
Diagnostic Time Case 1  
  • 0.1s
Case 2  
  • 5s
Case 3  
  • 2s
MIL ON Condition  
  • 2 driving cycles
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