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 / Airbag system (diagnostics) / Diagnostic chart with trouble code / Dtc u0401 invalid data received from ecm/pcm "a"

DTC DETECTING CONDITION:

Detected when CAN data from ECM is abnormal.

NOTE:

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

Dtc u0402 invalid data received from tcm

DTC DETECTING CONDITION:This is detected when CAN data from TCM is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

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

DTC DETECTING CONDITION:Detected when CAN data from combination meter does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Inspection
1. COMMUNICATION FOR INITIALIZING IMPOSSIBLEWhen communication with DCM is impossibleDETECTING CONDITION:• Defective harness connector• Power supply circuit malfunction• Defective DCM• Defective CAN communication circuit• Defective Subaru Select MonitorTROUBLE SYMPTOM:C ...