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Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Can Communication System - Circuit Tests (2 Of 9)) >> CAN COMMUNICATION SYSTEM (for HEV Model) >> Bus Buffer ECU Communication Stop Mode [11/2021 - 03/2022] >> Description

Bus Buffer ECU Communication Stop Mode [11/2021 - 03/2022]: Description

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
Detection Item Symptom Trouble Area
Bus Buffer ECU Communication Stop Mode Communication stop for "Remote Engine Starter" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [11/2021 - 03/2023]
  • Option connector (bus buffer ECU) main line or connector
  • CAN compatible optional devices
  • Main body ECU (multiplex network body ECU)
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