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Home >> Lexus >> 2010 >> LS 460L AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electric Power Control System (Diagnostic Codes) >> Electric Power Control System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Gateway "A"; DTC U0164: Lost Communication with HVAC Control Module; DTC U1104: Lost Communication with Driving Support ECU; DTC U1111: Lost Communication with Front Controller Module >> Procedure
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Gateway "A"; DTC U0164: Lost Communication with HVAC Control Module; DTC U1104: Lost Communication with Driving Support ECU; DTC U1111: Lost Communication with Front Controller Module: Procedure

  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM) 
    1. Check for DTCs related to the CAN communication system. Refer to DIAGNOSIS SYSTEM .

      OK

      DTC is not output.

    NG → See step   2 

    OK → END 

  2. GO TO CAN COMMUNICATION SYSTEM. Refer to  PRECAUTION