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Home >> Lexus >> 2025 >> 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) >> Main Body ECU Communication Stop Mode [11/2021 - ] >> Description

Main Body ECU Communication Stop Mode [11/2021 - ]: 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
Main Body ECU Communication Stop Mode Communication stop for "Main Body" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [11/2021 - 03/2023] , or refer to DIAGNOSIS SYSTEM [03/2023 - 03/2024] , or refer to DIAGNOSIS SYSTEM [03/2024 - ]
  • Main body ECU (multiplex network body ECU) main line or connector
  • Power source circuit of main body ECU (multiplex network body ECU) or power distribution box assembly
  • Main body ECU (multiplex network body ECU) or power distribution box assembly ground circuit
  • Main body ECU (multiplex network body ECU) or power distribution box assembly
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