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Home >> Lexus >> 2013 >> GS 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Steering System (Diagnostic Codes & Symptom Tests) >> Dynamic Rear Steering System >> DTC U0100/41: Lost Communication with ECM/PCM "A"; DTC U0129/41: Lost Communication with Brake System Control Module; DTC U0130/41: Lost Communication with Steering Effort Control Module >> Procedure
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DTC U0100/41: Lost Communication with ECM/PCM "A"; DTC U0129/41: Lost Communication with Brake System Control Module; DTC U0130/41: Lost Communication with Steering Effort Control Module: Procedure

  1. CHECK DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [12/2011 - ] .
    2. Check for DTCs. Refer to DTC CHECK / CLEAR [12/2011 - ] .
      RESULT

      Result Proceed to
      DTC is not output A
      DTC is output B

    B → See step   3 

    A → See step   2 

  2. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2011 - ] 
  3. GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2011 - ]