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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Can Communication System (HEV) - Circuit Tests (1 Of 5) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HEV Model) >> Bus Buffer ECU Communication Stop Mode [11/2022 - ] >> Description

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

WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. 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 "Accessory Gateway" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [11/2022 - 12/2024] , or refer to DIAGNOSIS SYSTEM [12/2024 - ]
  • Option connector (bus buffer ECU) main line or connector
  • CAN compatible optional device
  • Main body ECU (multiplex network body ECU)
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