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Home >> Lexus >> 2018 >> LC 500 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes (Coupe) (2 Of 2) & Symptom Tests (1 Of 2) >> Navigation System >> DTC B15F7: Certification ECU Vehicle Information Reading/Writing Process Malfunction [03/2017 - 05/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • The following malfunctions may occur if a radio receiver assembly from another vehicle is installed to this vehicle. Therefore, when replacing the radio receiver assembly, be sure to replace it with new one.
    • Communication malfunction DTC is output
    • Does not operate normally
  • Before replacing the certification ECU (smart key ECU assembly), refer to smart access system with push-button start (for Entry Function) Precaution.

    Refer to REGISTRATION [03/2017 - 09/2018] , or refer to REGISTRATION [09/2018 - 04/2020] , or refer to REGISTRATION [04/2020 - 05/2023]

HINT: 

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

Refer to PRECAUTION [03/2017 - 06/2019] , or refer to PRECAUTION [06/2019 - 04/2020] , or refer to PRECAUTION [04/2020 - 10/2022] , or refer to PRECAUTION [10/2022 - 05/2023]

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