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Home >> Toyota >> 2020 >> Corolla XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 415 (Can Communication System (Except HEV) (Early 2023, TMC) - Circuit Tests (1 Of 4) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made) >> Bus Buffer ECU Communication Stop Mode [09/2022 - 11/2022] >> Description

Bus Buffer ECU Communication Stop Mode [09/2022 - 11/2022]: Description

WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. 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 [09/2022 - 11/2022]
  • Option connector (bus buffer ECU) main line or connector
  • CAN compatible optional device
  • Main body ECU (multiplex network body ECU)
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