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Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Parking Brake System >> Electric Parking Brake System - Diagnostic Codes, Circuit & Symptom Tests >> Electric Parking Brake System >> DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [12/2017 - 10/2023] >> Procedure
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DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0129: Lost Communication with Brake System Control Module [12/2017 - 10/2023]: Procedure

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

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 10/2023]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

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