Main Body ECU Communication Stop Mode [11/2020 - 12/2022]: Description

Detection Item	Symptom	Trouble Area
Main Body ECU Communication Stop Mode	Communication stop for "Main Body ECU" is indicated on the "Communication Bus Check" screen of the GTS. Refer to DIAGNOSIS SYSTEM [11/2020 - 12/2022]	Main body ECU (multiplex network body ECU) branch wire or connector Power source circuit of main body ECU (multiplex network body ECU) or driver side junction block assembly Main body ECU (multiplex network body ECU) or driver side junction block assembly ground circuit Main body ECU (multiplex network body ECU) or driver side junction block assembly