DTC B1402-87: Lost Communication with Front Air Outlet Damper Control Servo Motor LIN Missing Message [10/2022 - ]: Wiring Diagram

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.