Circuit Description

WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is output when +B or GND short occurs on the door system communication bus. If +B or GND short is detected on the door system communication bus, separate it by bus cut relay in body ECU to prevent while communication buses' failure. For circuit diagram, see Figure.

Trouble Area

Wiring Harness.
ECU (Door System Bus).