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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) - Diagnostic Codes (2 Of 3) >> Lighting System >> DTC B242E-14: IG Circuit Short to Ground or Open [10/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • 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 REGISTRATION [10/2023 - ]

  • 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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