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Subaru
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2018
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Outback 2.5i
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostics) (P2101 To U171F) (H4DO)
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Diagnostic Procedure With Diagnostic Trouble Code (DTC)
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DTC U0073: Control Module Communication Bus Off
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General Driving Cycle
General Driving Cycle
Perform the diagnosis continuously after starting the engine.