Bus Buffer ECU Communication Stop Mode [11/2017 - ]: Description

Detection Item	Symptom	Trouble Area
Bus Buffer ECU Communication Stop Mode	Either condition is met: Communication stop for "Accessory Gateway" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [11/2017 - 10/2018] , or refer to PROBLEM SYMPTOMS TABLE [10/2018 - 09/2020] , or refer to PROBLEM SYMPTOMS TABLE [09/2020 - 10/2022] , or refer to PROBLEM SYMPTOMS TABLE [10/2022 - ] Communication system DTCs (DTCs that start with U) that correspond to "Bus Buffer ECU Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [11/2017 - 10/2018] , or refer to DTC COMBINATION TABLE [10/2018 - 11/2019] , or refer to DTC COMBINATION TABLE [11/2019 - 09/2020] , or refer to DTC COMBINATION TABLE [09/2020 - 10/2022] , or refer to DTC COMBINATION TABLE [10/2022 - 10/2023] , or refer to DTC COMBINATION TABLE [10/2023 - ]	Option connector (bus buffer ECU) branch line or connector CAN compatible optional device