Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0155 lost communication with instrument panel cluster (ipc) control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Vehicle dynamics control (vdc) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0155 lost communication with instrument panel cluster (ipc) control module

NOTE:

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

Dtc u0401 invalid data received from ecm/pcm "a"

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

Dtc c1521 motor relay

DTC DETECTING CONDITION:A fault is detected if the pump motor supply voltage becomes significantly low when the pump motor is not driven.TROUBLE SYMPTOM:• ABS does not operate sometimes.• ...

Other materials:

Inspection
1. CHECK FUSE1. Remove the fuse and inspect visually.2. If the fuse is blown out, replace the fuse.NOTE:If the fuse is blown again, check the system wiring harness.2. CHECK RELAY1. Measure the resistance between relay terminals.Terminal No.Inspection conditionsStandardCircuit1 — 2Always1 M- or mor ...