DTC U0073/94, U0100/65, U0123/62, U0124/95, U0126/63: Control Module Communication Bus OFF; Lost Communication with ECM/PCM; Lost Communication with Yaw Rate Sensor Module; Lost Communication with Lateral Acceleration Sensor Module; Lost Communication with Steering Angle Sensor Module: Wiring Diagram
WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.