DTC U0073: Control Module Communication Bus Off: DTC detecting condition

When all the following conditions are met.

• Battery voltage stays at 10 V or more for longer than one second.
• CAN bus is not in sleep state.
• Buss off state detected by ISO11898 compliant CAN function is found.
  NOTE: Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .