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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Power Seat Memory System (Diagnostics) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U0100: Lost Communication With ECM/Pcm "A"

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

DTC detecting condition: 

When no data was received from ECM for 5 seconds.

Trouble symptom: 

Seat memory registration/restoration is unable to be performed.

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