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Home › Hyundai › 2021 › Veloster N Standard Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (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
  1. Poor connection or damaged harness
  2. Open in HO2S control circuit
  3. Front HO2S
Prerequisite Condition
  • Upstream O2 sensor operative readiness is detected.
  • Battery voltage is between 10V and 16V
Threshold Value
  • Pumping current (VIP) circuit is open.
Diagnostic Time
  • Continuously
MIL On Condition
  • 3rd Driving Cycle
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