Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0164 lost communication with hvac control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Body control system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0164 lost communication with hvac control module

No data is received from A/C CM.

NOTE:

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

Dtc u0327 software incompatibility with vehicle security control module

No data is received from keyless access CM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc u0155 lost communication with instrument panel cluster (ipc) control module

No data is received from combination meter.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Procedure
NOTE:Before making repairs, perform the oil return operation to return the compressor oil in circulation with the refrigerant to the compressor.1. Increase the engine speed to 1,500 r/min.2. Turn the A/C switch to ON.3. Turn the temperature control dial to LO (MAX COOL).4. Turn the FRESH/RECIRC swit ...