DTC B1213: Tilt and Telescopic ECU communication stop: Wiring Diagram

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

See DTC B1214 Door system communication bus malfunction (+B short),DTC B1215 Door system communication bus malfunction (GND short) .