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Home >> Lexus >> 2018 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio And Visual System (8 Inch Display) (Diagnostic Codes) (1 Of 2) >> AUDIO AND VISUAL SYSTEM (for 8 Inch Display) >> DTC B15D3: Stereo Component Amplifier Disconnected [12/2017 - 08/2019] >> Description

DTC B15D3: Stereo Component Amplifier Disconnected [12/2017 - 08/2019]: Description

The radio receiver assembly and stereo component amplifier assembly are connected by AVC-LAN communication lines.

This DTC is stored when an AVC-LAN communication error occurs between the radio receiver assembly and stereo component amplifier assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15D3 Stereo Component Amplifier Disconnected When either of the following conditions is met:
  • The stereo component amplifier assembly is/was not connected while the power switch is/was on (IG) or on (ACC)
  • Communication between the master unit and the stereo component amplifier assembly is not possible when the hybrid control system is started
  • Stereo component amplifier assembly power source circuit
  • AVC-LAN circuit between radio receiver assembly and stereo component amplifier assembly
  • Stereo component amplifier assembly
  • Radio receiver assembly
  • Harness or connector

HINT: 

The radio receiver assembly is the master unit.