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 B15D9: Operation Panel Disconnected [06/2018 - 09/2022] >> Description

DTC B15D9: Operation Panel 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 multi-display assembly and air conditioning control assembly are connected by AVC-LAN communication lines.

This DTC is stored when an AVC-LAN communication error occurs between the multi-display assembly and air conditioning control assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15D9 Operation Panel Disconnected A device that is listed in the AVC-LAN connected device record of the master unit is missing.
  • Air conditioning control assembly power source circuit
  • AVC-LAN circuit
  • Air conditioning control assembly
  • Multi-display assembly
  • Harness or connector

HINT: 

The radio receiver assembly is the master unit.