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Home >> Kia >> 2023 >> Carnival EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 8) >> DTC P0031-00: HO2S Heater Control Circuit Low (Bank 1/Sensor 1) >> DTC Information >> DTC Description

DTC Description

The ECM sets DTC P003100 if it detects that the upstream HO2S heater control short circuit to ground.

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