B1102

DTC Troubleshooting: B1102

DTC B1102: Door Multiplex Control Unit Internal Error (EEPROM Error)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

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

4. Check for DTCs with the HDS.

Is DTC B1102 indicated?
YES - Faulty door multiplex control unit; replace the power window master switch.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.