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Home >> Toyota >> 2020 >> Mirai >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes & Symptom Tests (1 Of 2) >> Navigation System >> DTC B15C0: GPS Antenna Connection Malfunction (short); DTC B15C1: GPS Antenna Connection Malfunction (break) [01/2018 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC is stored.
    • The navigation ECU may not operate normally.
  • Check that the antenna cord sub-assembly (for navigation antenna) is properly installed and does not have any sharp bends, pinching or loose connections before performing following procedure.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2015 - 11/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]

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