DTC Troubleshooting

DTC U0073: F-CAN Malfunction (BUS-OFF) ('07 model)

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.

Is DTC U0073 indicated?

YES - Update the ECM/PCM if it does not have the latest software. or substitute a known good ECM/PCM, then recheck. If the symptom/indication goes away with a known good PCM, replace the original PCM.

NO - Intermittent failure, the system is OK at this time.