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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> LAN Communication System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0100 Lost Communication With ECM/Pcm "A" >> Trouble symptom

DTC U0100 Lost Communication With ECM/Pcm "A": Trouble symptom

Cooperation control of transmission may not operate properly.

Fig 1: Lost Communication With ECM/PCM (A) Diagnostics Flowchart
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