B1102

DTC B1102: Door Multiplex Control Unit Internal Error

1. Clear the DTCs using the HDS.
2. Cycle the ignition switch to OFF and then back ON.
3. Operate the power window (UP/DOWN).
4. Check for DTCs using the HDS.

Is DTC B1102 indicated?

YES - Faulty door multiplex control unit; replace the power window master switch.

NO - Intermittent failure, the door multiplex control unit is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition and the charging system.