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

Dtc u0100 lost communication with ecm/pcm "a"

NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB)• Detect malfunction of CAN communication.• ...

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:

Inspection
• Check the transmission case for damage.• Check for leakage of CVTF from the connection between converter case and transmission case.• Check for leakage of CVTF from the connection between intermediate case and transmission case.• Check the lubrication pipe for bend or damag ...