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 / Power assisted system (power steering) (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 u0416 invalid data received from vehicle dynamics control module

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:

Assembly
1. Roll up a thick piece of paper to a size where the shaft can pass through, and affix with tape to form a cylinder.2. Attach a new O-ring on this cylinder.CAUTION:• Always use a new O-ring.• Be careful that the O-ring does not become scratched and that there are no foreign objects atta ...