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Home >> Lexus >> 2017 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Meter / Gauge System (Diagnostic Codes & Symptom Tests) >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with VGRS; 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 [09/2014 - 10/2015] >> Procedure
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with VGRS; 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 [09/2014 - 10/2015]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
      RESULT

      Result Proceed to
      DTC is output A
      DTC is not output B

      HINT: 

      If CAN communication system DTC U0100, U0129, U0130, U0131, U0142 or U0151 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100, U0129, U0130, U0131, U0142 or U0151 first.

    Result:  A

    GO TO CAN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] )

    Result:  B

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] )