Hybrid Vehicle Control ECU Communication Stop Mode [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 [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 [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 [12/2021 - 10/2022] , or refer to DTC COMBINATION TABLE [10/2022 - 10/2023] , or refer to DTC COMBINATION TABLE [10/2023 - ]	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