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Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security And Locks - Keyless Access (W/ Push Button Start) (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0100: Lost Communication With ECM/Pcm "A"

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

Detected when CAN data from the engine control module (ECM) does not arrive.

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