Hybrid Vehicle Control ECU Communication Stop Mode [06/2018 - 08/2020]: Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

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 [06/2018 - 08/2020] 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 [06/2018 - 08/2020] 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 [06/2018 - 10/2019] , or refer to DTC COMBINATION TABLE [10/2019 - 08/2020]	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