DTC U0073: F-CAN Malfunction (Bus-Off)

1. Turn the ignition switch ON (II).

1. Clear the DTC with the HDS.

1. Check for Temporary DTCs or DTCs with the HDS.

Is DTC U0073 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 (equip model only), and the ECM.■

1. Check for Body Electrical DTCs with the HDS.

Is DTC B1168, B1169 and/or B1178 indicated?

YES | - | Go to Step 5 .
NO | - | Do the gauge control module input test. ■

1. Turn the ignition switch OFF.

1. Remove the gauge control module.

1. Disconnect the gauge assembly 30P connector.

1. Disconnect the VSA control unit 47P connector (equip model only).

1. Disconnect ECM connector No. 2 (58P).

1. Check for continuity between ECM connector No. 2 terminals No. 47, No. 48 and body ground individually.

| *: | CANL line

Is there continuity?

YES | - | Repair short in the wire between the gauge control module, and the VSA control module, and ECM connector No. 2 terminal No. 47 (No. 48) * , go to Step 15 .
NO | - | Go to Step 11 .