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Home › Genesis › 2021 › GV80 3.5T Advanced+ › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis - 3.5L (8 Of 9) › DTC P2237-00: O2 Sensor Positive Current Control 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 Oxygen Sensor (B1S1)
  3. Oxygen Sensor (B1S1)
Prerequisite Condition
  • Battery voltage is between 10V and 16V
  • Oxygen sensor ceramic temperature is 640°C (1, 184°F)
  • No code related to oxygen sensor grounding/battery short circuit
Threshold Value
  • Current Pump circuit open (Oxygen Sensor (B1S1))
Diagnostic Time
  • Continuously
MIL
  • 2nd driving cycles
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