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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (W/O Adaptive High Beam System) - Diagnostic Codes & Circuit Tests >> LIGHTING SYSTEM (w/o Adaptive High Beam System) >> DTC B242C-04: Headlight Control Module (Sub) System Internal Failure; DTC B242D-04: Headlight Control Module (Main) System Internal Failure [12/2021 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:

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

Refer to REGISTRATION [12/2021 - ]

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