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Home >> Lexus >> 2021 >> IS 350 RWD >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System - Diagnostic Codes & Circuit Tests >> Power Steering System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0132: Lost Communication with Ride Level Control Module [10/2016 - 09/2020] >> Procedure
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0132: Lost Communication with Ride Level Control Module [10/2016 - 09/2020]: Procedure

  1. GO TO CAN COMMUNICATION SYSTEM 
    1. Go to CAN communication system.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2016 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

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