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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System (Ext) (Except Hybrid) - Diagnostic Codes (2 Of 2) & Symptom Tests >> LIGHTING SYSTEM (for Gasoline Model) >> DTC B2452: Abnormal Height Sensor Data at Initialization [06/2018 - 07/2019] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

    Refer to INITIALIZATION [06/2018 - 08/2020]

  • If any of the following are performed, it is necessary to initialize the headlight ECU sub-assembly LH.

    Refer to INITIALIZATION [06/2018 - 08/2020]

    • Replacement of the rear height control sensor sub-assembly LH
    • Removal/installation of the rear height control sensor sub-assembly LH
    • Work that changes the vehicle height such as replacement of suspension components
  • When replacing the headlight ECU sub-assembly LH, always replace it with a new one. If a headlight ECU sub-assembly LH which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
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