DTC Troubleshooting: B1102

DTC B1102:  Door Multiplex Control Unit Internal Error


1.Clear the DTCs using the Honda PGM Tester or the HDS.

2.Cycle the ignition switch to OFF and then back ON.

3.Operate the power window (UP/DOWN).

4.Check for DTCs by selecting DTCs MENU (DTCs) from the Honda PGM Tester or the HDS.

Is DTC B1102 indicated?


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


NO - Intermittent failure, the  door multiplex control unit is OK at this time.n