Possible Cause

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• F-CAN circuit F-CAN H line open
• F-CAN circuit F-CAN L line open
• F-CAN circuit F-CAN H short to ground
• F-CAN circuit F-CAN L line short to ground
• F-CAN circuit F-CAN H short to F-CAN circuit F-CAN L
• Engine mount control unit internal circuit failure
• PCM internal circuit failure