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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Blind Spot Detection/Rear Cross Traffic Alert System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0401 Invalid Data Received From ECM/Pcm "A"

DTC U0401 Invalid Data Received From ECM/Pcm "A"

Detected when CAN data from ECM does not arrive.

NOTE: Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure>PROCEDURE .
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