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Home >> Lexus >> 2018 >> LC 500h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes, Symptom & Circuit Tests >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0140: Lost Communication with Body Control Module; DTC U0151: Lost Communication with Restraints Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0182: Lost Communication with Lighting Control Module Front; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [05/2023 - ] >> Procedure
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0140: Lost Communication with Body Control Module; DTC U0151: Lost Communication with Restraints Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0182: Lost Communication with Lighting Control Module Front; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [05/2023 - ]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DIAGNOSIS SYSTEM [01/2017 - ]

      Body Electrical > Combination Meter > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Result Proceed to
      CAN communication system DTCs are output. A
      CAN communication system DTCs are not output. B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ]