Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0327 software incompatibility with vehicle security control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Body control system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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 u0401 invalid data received from ecm/pcm "a"

Received error data from ECM.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

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 ...

Other materials:

Road test inspection
NOTE:Turn OFF the X mode switch and perform inspection.1. GENERAL PRECAUTIONRoad tests should be conducted to properly diagnose the condition of CVT.CAUTION:Always observe the local traffic laws when performing the test.2. D RANGE SHIFT FUNCTIONMake sure that the engine speed is 1,100 — 1,300 r/mi ...