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Home >> Toyota >> 2019 >> Corolla L >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System (Except HEV, Auto A/C) - Diagnostic Codes (2 Of 2), Circuit Tests & Symptom Tests >> AIR CONDITIONING SYSTEM (for Gasoline Model with Automatic Air Conditioning System) >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message [11/2022 - ] >> Procedure
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DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message [11/2022 - ]: Procedure

  1. GO TO CAN COMMUNICATION SYSTEM 

    HINT: 

    If CAN communication DTCs are output, refer to How to Proceed with Troubleshooting for the CAN communication system.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2022 - 08/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2023 - 09/2024] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2024 - ]

    Result

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    Result: 

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