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Home >> Lexus >> 2022 >> ES 350 Base >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System (Except Hybrid) - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> NAVIGATION SYSTEM (for Gasoline Model) >> DTC B15D3: Stereo Component Amplifier Disconnected [06/2018 - 09/2022] >> Description

DTC B15D3: Stereo Component Amplifier Disconnected [06/2018 - 09/2022]: Description

The radio receiver assembly and stereo component amplifier assembly are connected via MOST communication lines.

When a MOST communication error occurs between the radio receiver assembly and stereo component amplifier assembly, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15D3 Stereo Component Amplifier Disconnected A device that is listed in the MOST network connected device record of the master unit is missing.
  • Stereo component amplifier assembly power source circuit
  • MOST circuit between radio receiver assembly and stereo component amplifier assembly
  • Stereo component amplifier assembly
  • Radio receiver assembly
  • Harness or connector

HINT: 

For the MOST network, the radio receiver assembly is the master unit.