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2011
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Rio Base
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Engine Control System Diagnosis (1 Of 2)
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DTC P0030: HO2S Heater Control Circuit (Sensor 1)
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General Information
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DTC Description
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC Description
When ECM detects open in the heater control circuit (B1S1), ECM sets DTC P0030.