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Forester 2.0XT Touring
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LAN Communication System (Diagnostics)
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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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Trouble symptom
DTC U0073 Control Module Communication Bus Off: Trouble symptom
CAN communication is not normal.
Fig 1: Control Module Communication BUS OFF Diagnostics Flowchart
Courtesy of SUBARU OF AMERICA, INC.
Courtesy of SUBARU OF AMERICA, INC.