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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0056: HO2S Heater Control Circuit (Bank 2/Sensor 2) >> General Information >> DTC Description
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DTC Description

Checking current from HO2S under detecting condition, if the heater current is below a certain threshold for more than predetermined time, ECM sets P0056. MIL(Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.

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