DTC U0291-00: Lost Communication with Gear Shift Control Module "B" (System 2) 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.