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Multiplex Control Systems DTCS

MULTIPLEX CONTROL SYSTEMS DIAGNOSTIC TROUBLE CODES (DTC) IDENTIFICATION

DTC Description
DTC B1211/11 Driver door ECU communication stop
DTC B1212/12 Passenger door ECU communication stop
DTC B1214/14, B1215/15 Communication bus malfunction (+B short/GND short)
DTC B1221/21, B1222/22, B1223/23, B1224/24 Power window switch circuit on door & Door lock switch circuit on door
DTC B1242/42 Wireless door lock tuner circuit malfunction
DTC B1273/73 Sliding roof ECU communication stop (w/ Sliding roof vehicle only)