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Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0030: O2 Sensor Heater Control Circuit (Bank 1/Sensor 1) >> DTC Description

DTC Description

The PCM determines front HO2S heater fault and sets DTC P0030 if the front HO2S heater control driver inside the PCM fails or HO2S is not operational after an elapse of predetermined time since engine start or front HO2S tip temperature is out of normal working range.

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