Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2009 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area
B1206	P/W Master Switch Communication Stop	Main body ECU Power window regulator master switch assembly Harness or connector
B1273	Sliding Roof ECU Communication Stop	Main body ECU Sliding roof drive gear sub-assembly Harness or connector
B1287	Back Door ECU Communication Stop	Main body ECU Back door ECU Harness or connector
B2321	Driver Side Door ECU Communication Stop	Main body ECU Front power window regulator motor assembly LH Harness or connector
B2322	Front Passenger Side Door ECU Communication Stop	Main body ECU Front power window regulator motor assembly RH Harness or connector
B2325	LIN Communication Bus Malfunction	Main body ECU Power window regulator master switch assembly Front power window regulator motor assembly LH Front power window regulator motor assembly RH Sliding roof drive gear sub-assembly Back door ECU Harness or connector