Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Navigation Processor Malfunction (B15AD). GPS Antenna Connection Malfunction(short) (B15C0,B15C1). Speed Signal Malfunction (B15C2)
Navigation Processor Malfunction (B15AD) DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B15AD Navigation Processor Malfunction When either condition below is met: A short to ground, short to +B or open oc ...