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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> 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; 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 U1104: Lost Communication with Driving Support ECU [04/2013 - 10/2016] >> 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; 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 U1104: Lost Communication with Driving Support ECU [04/2013 - 10/2016]: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [04/2013 - 06/2014] , or refer to DIAGNOSIS SYSTEM [06/2014 - 08/2015] , or refer to DIAGNOSIS SYSTEM [08/2015 - 10/2016]

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 10/2016] 

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 06/2014]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2014 - 08/2015]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 10/2016]