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Home >> Lexus >> 2016 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System (Diagnostic Codes & Circuit Tests) >> Power Steering System >> DTC U0129/42: Lost Communication with Brake System Control Module; DTC U0130/44: Lost Communication with Steering Effort Control Module; DTC U0132/43: Lost Communication with Ride Level Control Module; DTC U0134/44: Lost Communication with DRS Module; DTC U0293/41: Lost Communication with Hybrid Control Module; DTC U1104/45: Lost Communication with Driving Support ECU [09/2014 - ] >> Procedure
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DTC U0129/42: Lost Communication with Brake System Control Module; DTC U0130/44: Lost Communication with Steering Effort Control Module; DTC U0132/43: Lost Communication with Ride Level Control Module; DTC U0134/44: Lost Communication with DRS Module; DTC U0293/41: Lost Communication with Hybrid Control Module; DTC U1104/45: Lost Communication with Driving Support ECU [09/2014 - ]: Procedure

  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM) 
    1. Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - ] ).
    2. Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - ] ).

      OK

      DTC is 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 (HOW TO PROCEED WITH TROUBLESHOOTING) 

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