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Subaru
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2017
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Forester 2.0XT Touring
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Control System (Diagnostics) (P2101 To U171F) (H4DOTC)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC U0073 Control Module Communication Bus "A" Off
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Outline Of Diagnosis
Outline Of Diagnosis
Detect malfunction of CAN communication.
Judge as NG when CAN communication failure has occurred.