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Home >> Lexus >> 2017 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ Automatic Headlight Beam Level Control System) (Diagnostic Codes) (2 Of 2) & Circuit Tests) >> Lighting System (W/ Automatic Headlight Beam Level Control System) >> DTC U0242: Lost Communication With Headlamp Control Module "B" [10/2015 - 08/2019] >> 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 [10/2015 - 08/2019]

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