Bus Buffer ECU Communication Stop Mode [03/2017 - 10/2020]: Description

Detection Item	Symptom	Trouble Area
Bus Buffer ECU Communication Stop Mode	Any of the following conditions are met: Communication stop for "Accessory Gateway" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [03/2017 - 06/2017] , or refer to PROBLEM SYMPTOMS TABLE [06/2017 - 03/2020] , or refer to PROBLEM SYMPTOMS TABLE [03/2020 - 10/2020] Communication stop history for "Accessory Gateway" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Accessory Gateway" is 6 or more.) Refer to PROBLEM SYMPTOMS TABLE [03/2017 - 06/2017] , or refer to PROBLEM SYMPTOMS TABLE [06/2017 - 03/2020] , or refer to PROBLEM SYMPTOMS TABLE [03/2020 - 10/2020] 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 [03/2017 - 06/2017] , or refer to DTC COMBINATION TABLE [06/2017 - 08/2018] , or refer to DTC COMBINATION TABLE [08/2018 - 09/2019] , or refer to DTC COMBINATION TABLE [09/2019 - 03/2020] , or refer to DTC COMBINATION TABLE [03/2020 - 10/2020]	Option connector (bus buffer ECU) branch line or connector CAN compatible optional device