DTC Troubleshooting: 86

DTC 86:  F-CAN Communication


1.Clear the DTC.

2.Turn the ignition switch OFF, then ON (II) again.

Is DTC 86 indicated?


YES - Go to 3.


NO - The system is OK at this time.n


3.Start and run the engine for at least 5 seconds then turn the engine off.

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

Is DTC 86 indicated?


YES - Go to 5.


NO - Intermittent failure, the F-CAN communication line is OK at this time.n


5.Check for DTCs in the PCM.

Are any DTCs indicated?


YES - Troubleshoot the PCM DTCs.n


NO - Replace the VSA modulator-control unit.n