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:

Assembly
1. Install the needle bearing and snap ring to the transfer drive gear.2. Set the ST to the ball bearing inner race, then install the transfer drive gear.CAUTION:Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).NOTE:Use a new ball bearing.ST 398177700INSTALLER3. Install the ...