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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Smart Access System W/ Push-Button Start (Start Function) (Diagnostic Codes & Symptom Tests (1 Of 2)) (Hybrid)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, HV Model) >> DTC B2781: Open / Short in Steering Lock ECU [10/2018 - 07/2022] >> Procedure

DTC B2781: Open / Short in Steering Lock ECU [10/2018 - 07/2022]: Procedure

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  1. CHECK DTC 
    1. Using the Techstream, check if LIN communication DTC B2785 is output.

      Body Electrical > Smart Access > Trouble Codes 

      HINT: 

      If a LIN communication DTC is output, perform troubleshooting for the LIN communication system.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 07/2022]

      Result

      Result Proceed to
      DTC B2785 is output. A
      for Manual Tilt and Manual Telescopic Steering Column B
      for Power Tilt and Power Telescopic Steering Column C

    Result: 

    GO TO LIN COMMUNICATION SYSTEM (DTC B2785). Refer to  DTC B2785: Communication Malfunction between ECUs Connected by LIN [10/2018 - 07/2022] 

    Result: 

    REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY). Refer to  DISASSEMBLY [10/2018 - 07/2022] 

    Result: 

    REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY). Refer to  DISASSEMBLY [10/2018 - 07/2022]