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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 Communication bus malfunction (+B short)
DTC B1215/15 Communication bus malfunction (GND short)
DTC B1221/21 Power window switch circuit on driver door
DTC B1222/22 Door lock switch circuit on driver door
DTC B1223/23 Power window switch circuit on passenger door
DTC B1224/24 Door lock switch circuit on passenger door
DTC B1231/31 Jam protection limit switch circuit on driver door
DTC B1232/32 Jam protection pulse switch circuit on driver door
DTC B1233/33 Jam protection limit switch circuit on passenger door
DTC B1234/34 Jam protection pulse switch circuit on passenger door
DTC B1241/41 Body ECU switch circuit diagnosis
DTC B1242/42 Wireless door lock tuner circuit malfunction
DTC B1243/43 GSW terminal circuit malfunction
DTC B1244/44 Light sensor circuit malfunction
DTC B1271/71 Combination meter ECU communication stop
DTC B1273/73 Sliding roof ECU communication stop (w/Sliding roof vehicle only)
DTC B1287/87 Back door ECU communication stop