DTC P0153: O2 Sensor Circuit Slow Response (Bank 2/Sensor 1): DTC Detecting Condition

2011 Hyundai Genesis 3.8SECTION DTC Detecting Condition
DTC P0153 DETECTING CONDITION TABLE

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor HO2S's response rate
  • Poor connection
  • Faulty HO2S
  • Faulty ECM
Enable Conditions
  • Engine warm-up sufficiently
  • Engine run time > 60sec
  • Drive at a steady speed between 45-55 mph (72-88 km/h)
  • Engine Coolant > 70°C (158 °F)
  • No disabling faults
Threshold value
  • The calculated response rate is too slow (out of threshold in ECM)
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 Driving Cycles
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.