LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2003 >> Elantra GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P2237: Ho2S Pumping Current Circuit Open (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Open circuit check of front HO2S circuit
  • Contact resistance in connectors
  • Open or Short to ground in HO2S circuit
  • Front HO2S
Enable Conditions
  • No relevant failure
Threshold Value
  • 0.9941 < Lambda < 1.0059
Diagnostic Time
  • Approx. 1300 sec.
MIL On Condition
  • 2 Driving Cycles