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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control 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"

Received error data from ECM.

NOTE: Perform the diagnosis for LAN system. Refer to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .

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