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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (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"

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE: Perform the diagnosis for LAN system. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >
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