Check Bus 3 Line [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

Symptom	Trouble Area
There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen.	CAN main bus line, CAN branch line or connector Central gateway ECU (network gateway ECU) Radio and display receiver assembly DCM (telematics transceiver) Inner rear view mirror assembly (w/ Digital Inner Mirror System) Driver monitor ECU assembly (w/ Driver Monitor Camera System) Stereo component equalizer assembly Combination meter assembly No. 11 global CAN junction connector No. 17 global CAN junction connector

Symptom

Trouble Area

There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen.

CAN main bus line, CAN branch line or connector
Central gateway ECU (network gateway ECU)
Radio and display receiver assembly
DCM (telematics transceiver)
Inner rear view mirror assembly
(w/ Digital Inner Mirror System)
Driver monitor ECU assembly
(w/ Driver Monitor Camera System)
Stereo component equalizer assembly
Combination meter assembly
No. 11 global CAN junction connector
No. 17 global CAN junction connector