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Home >> Hyundai >> 2023 >> Elantra N Standard Trans >> 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 and Inspection >> DTC Detecting Condition

DTC Information and Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Electrical inspection
  1. Poor contact of connector
  2. Open in signal circuit of O2 Sensor (Up)
  3. O2 Sensor (Up)
Prerequisite Condition
  • Upstream O2 sensor operative readiness is detected
  • The battery voltage is between 10V and 16V
Threshold Value
  • Pumping current circuit open(O2 Sensor (Up))
Diagnostic Time
  • Continuously
MIL
  • 2nd driving cycles
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