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Home >> Kia >> 2017 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P2237-00: 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
DTC Strategy
  • Electrical monitoring
  1. Poor Connector Connection
  2. Open in HO2S pump cell circuit (VIP)
  3. HO2S (Bank1/Sensor1)
Enable Conditions
  • HO2S (up) activated
  • Battery voltage higher than 11V and lower than 16V
Threshold Value
  • Open in pump cell circuit (VIP)
  • Difference between pump cell circuit (VIP) voltage and virtual ground (Vg) voltage is higher than 1.2V, Difference between Nernst circuit (Vn) voltage and virtual ground (Vg) voltage is lower than 1.2V
Diagnostic Time
  • 2.5s
MIL ON Condition
  • 2 driving cycles
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