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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 P0135-00: O2 Sensor Heater Circuit (Bank 1 Sensor 1) >> ETM
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DTC P0135-00: O2 Sensor Heater Circuit (Bank 1 Sensor 1): ETM

For wiring diagram information, refer to appropriate SYSTEM WIRING DIAGRAMS article.