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Home >> Kia >> 2017 >> Soul ! >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L T (3 Of 3) >> DTC P2237: O2 Sensor Pumping Current 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
Case 1 DTC Strategy
  • Pumping Current Circuit
  1. Poor connection
  2. Open power/ground in signal circuit
  3. HO2S (S1)
Enable Conditions
  • Fuel system status: Closed loop
  • Fuel Factor Changes greater than 0.1
Threshold Value
  • Sensor voltage 1.49-1.51V
Case 2 DTC Strategy
  • Activation Check
Enable Conditions
  • Target Lambda less than 0.97 or greater than 1.03
  • Integrated Mass Flow greater than 0.3kg
Threshold Value
  • Sensor voltage 1.49-1.51V
Case 3 DTC Strategy
  • Plausibility Check
Enable Conditions
  • Fuel cut
Threshold Value
  • Sensor voltage less than 0V
Diagnostic Time
  • Immediate
MIL ON Condition
  • -
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