DTC U0073: F-CAN Malfunction (Bus-Off) DTC U0155: F-CAN Malfunction (Gauge Control Module-PCM) Turn the ignition switch ON (II). Clear the DTC with the HDS. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Is DTC U0073 and/or U0155 indicated?
YES | - | Go to Step 4 .
NO | - | Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the gauge control module, the VSA control unit, the navigation unit, and the ECM/PCM.■
Check for DTCs in the DTCs MENU in the Body Electrical system with the HDS. Is DTC B1168, B1169 and/or B1178 indicated?
YES | - | Go to Step 5 .
NO | - | Perform the gauge control module input test. ■
Turn the ignition switch OFF. Remove the gauge control module. Disconnect the gauge control module 30P connector. Disconnect the VSA control unit 47P connector. If equipped with the Honda navigation system, disconnect the navigation unit 20P connector. Jump the SCS line with the HDS. Disconnect ECM/PCM connector E (31P). Check for continuity between ECM/PCM connector terminals E11, E24 and body ground individually. Is there continuity?
YES | - | Repair short in the wire between the gauge control module, the VSA control unit, the navigation unit and the ECM/PCM (E11, E24), then go to Step 17 .
NO | - | Go to Step 13 .