Hybrid Vehicle Control ECU Communication Stop Mode [08/2020 - ]: Description

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 [08/2020 - 08/2021] , or refer to PROBLEM SYMPTOMS TABLE [08/2021 - ] 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 [08/2020 - 08/2021] , or refer to PROBLEM SYMPTOMS TABLE [08/2021 - ] 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 [08/2020 - 08/2021] , or refer to DTC COMBINATION TABLE [08/2021 - 09/2022] , or refer to DTC COMBINATION TABLE [09/2022 - ]	Hybrid vehicle control ECU branch line or connector Power source circuit of hybrid vehicle control ECU Hybrid vehicle control ECU ground circuit Hybrid vehicle control ECU