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Home >> Toyota >> 2023 >> GR Corolla Core >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System (Early 2023, Except TMC) (Gas Model, W/ Auto A/C) - Diagnostic Codes, Circuit Tests & Symptom Tests >> AIR CONDITIONING SYSTEM (except TMC Made, and Gasoline Model, with Automatic Air Conditioning System) >> DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0131: Lost Communication With Power Steering Control Module; DTC U0142: Lost Communication With Body Control Module "B"; DTC U0151: Lost Communication With Restraints Control Module; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module [09/2022 - 11/2022] >> Procedure
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DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0131: Lost Communication With Power Steering Control Module; DTC U0142: Lost Communication With Body Control Module "B"; DTC U0151: Lost Communication With Restraints Control Module; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module [09/2022 - 11/2022]: Procedure

  1. GO TO CAN COMMUNICATION SYSTEM 

    HINT: 

    Refer to CAN Communication System.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - 11/2022]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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