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Home >> Hyundai >> 2019 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (1 Of 3) >> DTC P0135: O2 Sensor Heater Circuit (Bank 1/Sensor 1) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal check
  1. Poor connection
  2. Open or Short to ground in power circuit
  3. Open in control circuit
  4. S1
Enable Conditions
  • Exhaust Gas temperature is higher than 842°F (450°C).
  • Battery voltage is higher than 10.7V and lower than 16V
Threshold Value
  • Oxygen sensor internal temperature is lower than 1391°F (755°C)
Diagnostic Time
  • -
MIL ON Condition
  • 2 driving cycle
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