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Multiplex Communication DTCS

MULTIPLEX COMMUNICATION DIAGNOSTIC TROUBLE CODES (DTC) IDENTIFICATION

DTC Description
B1211 Driver door ECU communication stop
B1212 Passenger door ECU communication stop
B1214 Communication bus malfunction (+B short)
B1215 Communication bus malfunction (GND short)
B1221, B1222, B1223, B1224 Power window/Door lock switch circuit on driver door/passenger door
B1242 Wireless door lock tuner circuit malfunction
B1273 Sliding roof ECU communication stop (w/ Sliding roof vehicle only)