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Home >> Lexus >> 2017 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio / Video System (Diagnostic Codes) >> Audio And Visual System >> DTC U0073: Sending Malfunction (Navigation to APGS); DTC U0100: Engine ECU Communication; DTC U0126: Steering Sensor Communication; DTC U0129: VSC(ECB)ECU Communication; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Meter ECU Communication; DTC U1110: Clearance Sonar ECU Communication [09/2014 - ] >> Procedure
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DTC U0073: Sending Malfunction (Navigation to APGS); DTC U0100: Engine ECU Communication; DTC U0126: Steering Sensor Communication; DTC U0129: VSC(ECB)ECU Communication; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Meter ECU Communication; DTC U1110: Clearance Sonar ECU Communication [09/2014 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] Refer to DTC CHECK / CLEAR [10/2015 - ] ).

    Result:  NEXT

    NEXT 

    See step  2

  2. CHECK CAN COMMUNICATION SYSTEM 
    1. Use the Techstream to check if the CAN communication system is functioning normally (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] Refer to DTC CHECK / CLEAR [10/2015 - ] ).

      OK

      CAN communication system DTCs are not output.

    Result:  OK

    OK 

    USE SIMULATION METHOD TO CHECK 

    (See page. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

    Result:  NG

    NG 

    GO TO CAN COMMUNICATION SYSTEM 

    (See page. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )