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Home >> Hyundai >> 2012 >> Equus Signature >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 5.0L >> DTC P0153: O2 Sensor Circuit Slow Response (Bank 2/Sensor 1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor HO2S's response rate
  1. Poor connection
  2. B2S1
  3. ECM
Enable Conditions
  • 1240 < rpm < 2000
  • 30% < Engine load < 63%
  • EGT around upstream O2S > 400°C (752°F)
Threshold value
  • Average cycle period of O2S signal for 7 cycles > 2.0sec
Diagnosis Time
  • -
MIL On Condition
  • 2 Driving Cycles
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