Hybrid Vehicle Control ECU Communication Stop Mode [02/2019 - 12/2021]: Description

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Detection Item	Symptom	Trouble Area
Hybrid Vehicle Control ECU Communication Stop Mode	Any of the following conditions are met: Communication stop for "Hybrid Vehicle Control" is indicated on the "Communication Bus Check" screen of the Techstream. Refer to PROBLEM SYMPTOMS TABLE [02/2019 - 06/2020] , or refer to PROBLEM SYMPTOMS TABLE [06/2020 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021] Communication stop history for "Hybrid Vehicle Control" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Hybrid Vehicle Control" is 6 or more.) Refer to PROBLEM SYMPTOMS TABLE [02/2019 - 06/2020] , or refer to PROBLEM SYMPTOMS TABLE [06/2020 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021] Communication system DTCs (DTCs that start with U) that correspond to "Hybrid Vehicle Control ECU Communication Stop Mode" in "DTC Combination Table" are output. Refer to DTC COMBINATION TABLE [02/2019 - 10/2019] , or refer to DTC COMBINATION TABLE [10/2019 - 06/2020] , or refer to DTC COMBINATION TABLE [06/2020 - 08/2020] , or refer to DTC COMBINATION TABLE [08/2020 - 12/2021]	Hybrid vehicle control ECU assembly branch wire or connector Power source circuit of hybrid vehicle control ECU assembly Hybrid vehicle control ECU assembly ground circuit Hybrid vehicle control ECU assembly