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Home >> Hyundai >> 2016 >> Sonata Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (Except HEV) (2 Of 2) >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition
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DTC Information: 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)
Diagnosis Time
  • 2.5sec
MIL On Condition
  • 2 Driving Cycles
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