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Home >> Hyundai >> 2012 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank1 Sensor1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
DTC Strategy
  • Electrical check - check symptoms related to Lambda sensor open circuit
  1. Poor connection or damaged harness
  2. Open in HO2S control circuit
  3. Front HO2S
Enable Conditions
  • Wide range sensor pump current valid
Threshold value
  • Pumping current circuit open (VIP)
  • Signal < 2.1V during fuel cut off
Diagnosis Time
  • Within 15sec. after related symptom detected
MIL On Condition
  • 2 Drive Cycles
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