LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Sub Battery System - Diagnostic Codes & Circuit Tests >> Sub Battery System >> 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; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U1107: Lost Communication with Power Management Module; DTC U1108: Lost Communication with Front Stabilizer Module [12/2017 - 10/2023] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U1107: Lost Communication with Power Management Module; DTC U1108: Lost Communication with Front Stabilizer Module [12/2017 - 10/2023]: Procedure

  1. GO TO CAN COMMUNICATION SYSTEM 
    1. Refer to the 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 

    END