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Home >> Hyundai >> 2021 >> Veloster 2.0, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (3 Of 3) >> DTC P2237-00: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> DTC Information and Inspection >> DTC Detecting Condition

DTC Information and Inspection: DTC Detecting Condition

Item Detecting Condition Possible cause
Main Action
  • Electrical check - symptoms related to Lambda sensor open circuit
  1. Poor connection or harness damage
  2. Open in HO2S control circuit
  3. Front HO2S
Prerequisite Condition
  • Upstream O2 sensor operative readiness is detected. (Same conditions as DTC P013300)
  • Battery voltage is between 11V and 16V.
Threshold Value
  • Pumping current circuit (VIP) is open (checked by continuous monitoring of Passive or Active Check of reference, nernst and pumping currents comparatively).
Diagnostic Time
  • 2.5 Seconds
MIL-On Condition
  • 3rd Driving Cycle
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