Transmission Control ECU Communication Stop Mode [10/2018 - 07/2022]: Description

Detection Item	Symptom	Trouble Area
Transmission Control ECU Communication Stop Mode	Any of the following conditions are met: Communication stop for "TCM" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [10/2018 - 10/2019] Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 08/2021] Refer to PROBLEM SYMPTOMS TABLE [08/2021 - 07/2022] Communication stop history for "TCM" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "TCM)" is 6 or more.) Refer to PROBLEM SYMPTOMS TABLE [10/2018 - 10/2019] Refer to PROBLEM SYMPTOMS TABLE [10/2019 - 08/2021] Refer to PROBLEM SYMPTOMS TABLE [08/2021 - 07/2022] Communication system DTCs (DTCs that start with U) that correspond to "TCM Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [10/2018 - 10/2019] Refer to DTC COMBINATION TABLE [10/2019 - 07/2022]	TCM branch line or connector Power source circuit of TCM TCM ground circuit TCM