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Home >> Toyota >> 2019 >> Mirai >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes & Symptom Tests (1 Of 2) >> Navigation System >> DTC B15DB: Telematics Transceiver Disconnected [01/2018 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • 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 [01/2018 - ]

  • When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC is stored.
    • The radio and display receiver assembly or navigation ECU may not operate normally.
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • Before replacing the DCM (telematics transceiver), refer to Registration.

    Refer to DCM ACTIVATION [01/2018 - ]