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

Subaru Legacy BN/BS (2015-2019) Service Manual / Infotainment system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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

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

Detected when CAN data from combination meter does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Disassembly
1. Remove the seal ring and O-ring.2. Using the ST, remove the ball bearing from front reduction drive gear.ST 899864100REMOVER3. Using the ST, remove the ball bearing from front reduction drive gear.ST 498077000REMOVER ...