Shift Control ECU Communication Stop Mode [12/2017 - 10/2020]: Description

Detection Item	Symptom	Trouble Area
Shift Control ECU Communication Stop Mode	Any of the following conditions are met: Communication stop for "Transmission Control" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to DIAGNOSIS SYSTEM [12/2017 - 09/2018] , or refer to DIAGNOSIS SYSTEM [09/2018 - 09/2019] , or refer to DIAGNOSIS SYSTEM [09/2019 - 10/2020] Communication stop history for "Transmission Control" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Transmission Control" is 6 or more.) Refer to PROBLEM SYMPTOMS TABLE [12/2017 - 10/2020] Communication system DTCs (DTCs that start with U) that correspond to "Shift Control ECU Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [12/2017 - 09/2018] , or refer to DTC COMBINATION TABLE [09/2018 - 09/2019] , or refer to DTC COMBINATION TABLE [09/2019 - 10/2020]	Shift control ECU branch wire or connector Power source circuit of shift control ECU Shift control ECU ground circuit Shift control ECU