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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P0136-00: O2 Sensor Circuit (Bank 1 Sensor 2) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Monitoring
  1. Poor Connector Connection
  2. Open in Downstream O2 Sensor Signal Circuit
  3. Open in Downstream O2 Sensor Ground Circuit
  4. Faulty Downstream O2 Sensor
Enable Conditions
  • O2 Sensor operative readiness
  • O2 Sensor preheating and full heating phases finished
  • Battery voltage higher than 10V and lower than 16V
  • No relevant DTC present
Threshold Value
  • Downstream O2 Sensor Element resistance more than 25kΩ
Diagnostic Time
  • 2.5s
MIL ON Condition
  • 2 Driving Cycle
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