Driver Seat Control ECU Communication Stop Mode [06/2018 - 08/2021]: Description

Detection Item	Symptom	Trouble Area
Driver Seat Control ECU Communication Stop Mode	Any of the following conditions are met: Communication stop for "D-Seat" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [06/2018 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - ] Communication stop history for "D-Seat" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "D-Seat" is 6 or more.) Refer to PROBLEM SYMPTOMS TABLE [06/2018 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - ] Communication system DTCs (DTCs that start with U) that correspond to "Driver Seat Control ECU Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [06/2018 - 10/2019] , or refer to DTC COMBINATION TABLE [10/2019 - 08/2020] , or refer to DTC COMBINATION TABLE [08/2020 - 08/2021]	Position control ECU assembly LH branch line or connector Power source circuit of position control ECU assembly LH Position control ECU assembly LH ground circuit Position control ECU assembly LH