LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2004 >> Amanti >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0155: O2 Sensor Heater Circuit (Bank 2 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 CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Heater circuit current (AH) is monitored.
  • Poor connection
  • Open or short in HO2S heater circuit
  • Faulty HO2S heater
  • Faulty PCM
Enable Conditions
  • Heater "ON".
Threshold value
  • Circuit current, AH
  • 200 mA or greater than or equal to 3.5A
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles
scientia non olet · About LEMON Manuals