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Ioniq Hybrid SEL
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Repair and Diagnosis
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Engine Mechanical
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Cooling System (Mechanical)
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Active Air Flap-Right Diagnosis (HEV)
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DTC U0100: Lost Communication With ECM/PCM 'A'
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DTC Information
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DTC Description
DTC Description
AAF Actuator (Module) sets DTC U0100 when AAF detects that there is no signal from ECM (PCM).