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Home >> Lexus >> 2018 >> LC 500h >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Dynamic Rear Steering System - Diagnostic Codes & Symptom Tests >> Dynamic Rear Steering System >> DTC U0129/41: Lost Communication with Brake System Control Module; DTC U0130/41: Lost Communication with Steering Effort Control Module; DTC U0293/41: Lost Communication with Hybrid Vehicle Control System [01/2017 - 09/2018] >> Procedure
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DTC U0129/41: Lost Communication with Brake System Control Module; DTC U0130/41: Lost Communication with Steering Effort Control Module; DTC U0293/41: Lost Communication with Hybrid Vehicle Control System [01/2017 - 09/2018]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [01/2017 - 09/2018]

      Chassis > DRS > Clear DTCs 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [01/2017 - 09/2018]

      Chassis > DRS > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 04/2020] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 09/2018]