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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Pumping current circuit open (VIP)
  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
  • Symptom detected on no activity
  • Signal < 2.1V during fuel cut off
Diagnostic Time
  • Within 15sec. after related symptom detected.
MIL On Condition
  • 2 Driving Cycles
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