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Home >> Lexus >> 2014 >> GS 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio / Video System (Diagnostic Codes & Symptom Tests) >> 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 [09/2013 - ] >> 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 [09/2013 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [09/2013 - ] .

    NEXT: Go to next step 

  2. CHECK CAN COMMUNICATION SYSTEM 
    1. Use the Techstream to check if the CAN communication system is functioning normally. Refer to DTC CHECK / CLEAR [09/2013 - ] .

      OK

      CAN communication system DTCs are not output.

    NG → See step   4 

    OK → See step   3 

  3. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ] 
  4. GO TO CAN COMMUNICATION SYSTEM. Refer to  DIAGNOSIS SYSTEM [09/2013 - ]