Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0401 invalid data received from ecm/pcm "a"

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

NOTE:

Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure

Dtc u0402 invalid data received from tcm

NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure ...

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

NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure ...

Other materials:

Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the trim panel - rear door. Door Trim > REMOVAL3. Remove the sealing cover - rear door.CAUTION:• Carefully remove the butyl tape. Excessive force will easily break the cover.• If the sealing cover - rear door gets bro ...