LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Lexus ES 350, 2022 Lexus ES 250, 2021 Lexus ES 350, 2021 Lexus ES 250, and 2020 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

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.