LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2016 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Blind Spot Monitor System (Diagnostic Codes & Circuit Tests) >> Blind Spot Monitor System >> DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0293: HV ECU Communication [09/2014 - 10/2015] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0293: HV ECU Communication [09/2014 - 10/2015]: Procedure

  1. CHECK DTC 
    1. Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
    2. Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
      RESULT

      Result Proceed to
      DTC U0126, U0129, U0142 and U0293 are not output A
      DTC U0126, U0129, U0142 and/or U0293 is output B

      HINT: 

      • If CAN communication system DTCs are stored, they may also be stored for other systems.
      • If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.
      • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).

    Result:  A

    GO TO CAN COMMUNICATION SYSTEM 

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

    Result:  B

    USE SIMULATION METHOD TO CHECK 

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