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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (P2101 To U171F) (H4DOTC) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0073 Control Module Communication Bus "A" Off >> General Driving Cycle

General Driving Cycle

Perform the diagnosis continuously after starting the engine.