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Home >> Hyundai >> 2021 >> Ioniq Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (3 Of 3) >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Rationality check
  1. Poor connection
  2. Open in signal circuit
  3. S1
Enable Conditions
  • Closed loop fuel control
  • Battery voltage is between 11V and 16V
Threshold value
  • Pumping Current voltage circuit (VIP) during disconnection
Diagnosis Time
  • -
MIL On Condition
  • 2 driving cycle
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