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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Manual A/C) - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) >> DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [12/2013 - ] >> Procedure

DTC U0100: Lost Communication with ECM; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter [12/2013 - ]: Procedure

  1. GO TO CAN COMMUNICATION SYSTEM 

    HINT: 

    Refer to CAN Communication System.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - 11/2016] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ]

    Result: 

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    END 

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