DTC Troubleshooting: B1150

DTC B1150:  Communication Bus Line Error


1.Check the DTCs by selecting the DTCs MENU (DTCs) with the Honda PGM Tester or the HDS.

In addition to DTC B1150, are any of these DTCs indicated: B1155, B1156, B1157, B1159, and/or B1160?

YES - Go to 2.

NO - Go to 3.


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

Are there any DTCs not listed in step 1?

YES - Troubleshoot the DTC(s) related to the functional problem.n

NO - Go to 3.


3.Clear the DTCs by selecting the CLEAR MENU (DTC CLEAR) with the Honda PGM Tester or the HDS.

4.Cycle the ignition switch OFF and then back to ON within 3 seconds.

5.Check the DTCs by selecting the DTCs MENU (DTCs) with the Honda PGM Tester or the HDS.

Is DTC B1000 indicated?

YES - Troubleshoot DTC B1000.n

NO - If no DTC(s) are indicated and no problems exist, it is an intermittent failure, the system is OK at this time. If no DTC(s) are indicsted and there is still a problem, go to system diagnosis test mode C or D. If a DTC(s) other than DTC B1000 is indicated, go to 6.


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

Is DTC B1008 indicated?

YES - Troubleshoot DTC B1008.n

NO - Go to 7.


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

Is only DTC B1150 indicated?

YES - Faulty gauge control module: replace the  gauge control module.n

NO - Go to the DTC troubleshooting index and start troubleshooting with the lowest numerical DTC.n