Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0100 lost communication with ecm/pcm "a"

Subaru Legacy BN/BS (2015-2019) Service Manual / Infotainment system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0100 lost communication with ecm/pcm "a"

Detected when CAN data from ECM does not arrive.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE

Dtc u0327 software incompatibility with vehicle security control module

Detected when CAN data is not received from keyless access CM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0164 lost communication with hvac control module

Detected when CAN data from A/C CM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Installation
1. Temporarily install the drive plate and reinforcement drive plate.NOTE:Align the knock pin hole of the crankshaft position sensor plate to the knock pin of the crankshaft to secure the knock pin.2. Set the ST.NOTE:Set the ST to the drive plate referring to the illustration.ST 498497300CRANKSHA ...