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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Diagnostic Codes & Circuit Tests >> Lighting System >> DTC B2439: Headlight LH Circuit; DTC B243A: Headlight RH Circuit [03/2019 - ] >> 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 [03/2019 - ]

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