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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Can Communication System (HEV) - Circuit Tests (1 Of 6) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Hybrid Vehicle Control ECU Communication Stop Mode [04/2020 - 09/2022] >> Description

Hybrid Vehicle Control ECU Communication Stop Mode [04/2020 - 09/2022]: Description

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Detection Item Symptom Trouble Area
Hybrid Vehicle Control ECU Communication Stop Mode Any of the following conditions are met:
  • Communication stop for "Hybrid Vehicle Control" is indicated on the "Communication Bus Check" screen of the Techstream.

    Refer to PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022]

  • Communication stop history for "Hybrid Vehicle Control" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Hybrid Vehicle Control" is 6 or more.)

    Refer to PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022]

  • Communication system DTCs (DTCs that start with U) that correspond to "Hybrid Vehicle Control ECU Communication Stop Mode" in "DTC Combination Table" are output.

    Refer to DTC COMBINATION TABLE [04/2020 - 09/2022]

  • Hybrid vehicle control ECU branch line or connector
  • Power source circuit of hybrid vehicle control ECU
  • Hybrid vehicle control ECU ground circuit
  • Hybrid vehicle control ECU