FixVault

Multiplex Communication System

WARNING: This page is about a different car, the 2010 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
MULTIPLEX COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Code Description
B1214 Short to B+ in Door System Communication Bus Malfunction
B1215 Short to GND in Door System Communication Bus Malfunction
B1287 Back Door ECU Communication Stop