Subaru Legacy BN/BS (2015-2019) Service Manual: General description

Procedure

1. Check of the fuel amount↓2. Inspection of starter motor circuit Diagnostics for Engine Starting Failure > STARTER MOTOR CIRCUIT↓3. Inspection of ECM power supply and ground line Diagnos ...

Preparation tool

1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...

Other materials:

Dtc u0402 invalid data received from tcm
NOTE:For the diagnostic procedure, refer to LAN section. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSISDetect malfunction of CAN communication.Judge as NG when data received from TCM, VDC CM and combination meter is not normal.2. COMPONENT DESCRIPTION(Common Specifications)CAN Protocol 2.0 B (Ac ...