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Home >> Toyota >> 2025 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 316 (Can Communication System (Except HEV) (Early 2023, TMC) - Circuit Tests (1 Of 4) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made) >> 4WD Control ECU Communication Stop Mode [09/2022 - 11/2022] >> Description

4WD Control 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
4WD Control ECU Communication Stop Mode Communication stop for "Four Wheel Drive Control" is indicated on "CAN Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [09/2022 - 11/2022]
  • 4WD ECU assembly branch line or connector
  • Power source circuit of 4WD ECU assembly
  • 4WD ECU assembly ground circuit
  • 4WD ECU assembly
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