Power Back Door ECU Communication Stop Mode [10/2018 - 07/2022]: Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

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