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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Pre-Collision System - Diagnostic Codes >> Pre-Collision System >> DTC U0328-51: Software Incompatibility with Steering Angle Sensor Module Not Programmed; DTC U0328-57: Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component [12/2021 - ] >> Procedure
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DTC U0328-51: Software Incompatibility with Steering Angle Sensor Module Not Programmed; DTC U0328-57: Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component [12/2021 - ]: Procedure

  1. CHECK FOR DTC (HEALTH CHECK) 
    1. Using the GTS, perform the Health Check.
    2. Check for DTCs.

      OK

      DTCs other than U0328-51 and U0328-57 are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO OTHER DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2021 - ] 

    Result: 

    OK 

    See step  2

  2. READ VALUE USING GTS 
    1. Using the GTS, read the Data List.

      Body Electrical > Pre-Collision System > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      VGRS ECU Equipped Information Variable gear ratio steering system function availability Unknown, Absence or Presence Unknown: Vehicle information not confirmed
      Absence: Variable gear ratio steering system absence
      Presence: Variable gear ratio steering system presence
      -

      Body Electrical > Pre-Collision System > Data List 

      Tester Display
      VGRS ECU Equipped Information

      HINT: 

      • When the specification stored by the forward recognition camera and the vehicle specification do not match, there is a malfunction in the specification information stored by the forward recognition camera. Therefore, replace the forward recognition camera.
      • When the specification stored by the forward recognition camera and the vehicle specification match, a steering sensor with different specifications may be installed. Therefore, replace the steering sensor.

      Result

      Result Proceed to
      Specification stored by the forward recognition camera and vehicle specification do not match A
      Specification stored by the forward recognition camera and vehicle specification match B

    Result: 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [12/2021 - ] 

    Result: 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [12/2021 - ]