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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ Headlight Ecu) - Diagnostic Codes (1 Of 2) >> LIGHTING SYSTEM (w/ Headlight ECU) >> DTC B242F: Open in B Power Line [11/2021 - 12/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
  • 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 [11/2021 - 12/2023]

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