Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0423 invalid data received from instrument panel cluster control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Airbag system (diagnostics) / Diagnostic chart with trouble code / Dtc u0423 invalid data received from instrument panel cluster control module

DTC DETECTING CONDITION:

Detected when CAN data from combination meter is abnormal.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE

Dtc u0073 control module communication bus off

DIAGNOSIS START CONDITION:Ignition voltage remains at 10 V or more for 1 second.DTC DETECTING CONDITION:Detected when malfunction occurs in CAN line.NOTE:Perform the diagnosis for LAN system. Basic D ...

Dtc u0422 invalid data received from body control module

DTC DETECTING CONDITION:Detected when CAN data from body integrated unit is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Idle speed inspection
1. Before checking the idle speed, check the following item:(1) Check the air cleaner element is free from clogging, ignition timing is correct, spark plugs are in good condition, and hoses are connected properly.(2) Check the malfunction indicator light does not illuminate.2. Warm up the engine.3. ...