LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2018 >> Elantra Value Edition >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (3 Of 3) >> DTC P2237-00: O2 Sensor Pumping Current Circuit/Open (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
  • Upstream O2 sensor operative readiness is detected.
  • Battery voltage is between 11V and 16V.
Threshold Value
  • Pumping current circuit is open (VIP).
Diagnostic Time
  • 2.5 seconds
MIL On Condition
  • 2 Driving Cycles