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2019
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Optima EX
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Repair and Diagnosis
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Engine Performance
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Engine Control System Diagnosis (3 Of 6) (PHEV)
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DTC P0489-00: Exhaust Gas Recirculation Control Circuit Low
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DTC Information
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DTC Description
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DTC Description
P048900 is set when EGR actuator motor circuit is open or shorted to ground.