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 Procedure ...

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 p0500 vehicle speed sensor "a" circuit
DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:VDC does not operate.STEPCHECKYESNO1.CHECK DTC.Read the DTC of VDC system using the Subaru Select Monitor.Is DTC displayed-Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)Repair the poor contact of ...