DTC Troubleshooting: B1251

DTC B1251:  Combination Switch 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.Check the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS.

Is DTC B1251 indicated?


YES - Faulty combination switch control unit; replace the  wiper/washer switch.n


NO - Intermittent failure, the CPU in the combination switch control unit is OK at this time.n