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Home >> Lexus >> 2021 >> GX 460 Luxury >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Exterior) (Diagnostic Codes & Circuit Tests) >> Lighting System >> DTC B2452: Height Control Sensor Data Out of Range When Initializing [08/2015 - 08/2019] >> Procedure

DTC B2452: Height Control Sensor Data Out of Range When Initializing [08/2015 - 08/2019]: Procedure

  1. PERFORM INITIALIZATION 
    1. Perform initialization of the headlight swivel ECU (Refer to INITIALIZATION [08/2015 - 08/2019] ).

      HINT: 

      • Before initializing, make sure that the vehicle condition is proper for initialization.
      • Be sure to perform the initialization as instructed.

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
      RESULT

      Result Proceed to
      DTC B2452 is not output A
      DTC B2452 is output B

      HINT: 

      If the headlight swivel ECU stores DTC B2452 even though the ECU has been initialized as instructed, there may be a malfunction in the headlight swivel ECU.

    Result: 

    END 

    Result: 

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY 

    (Refer to REMOVAL [08/2015 - 08/2019] )