DTC U0074: Control Module Communication Bus "Body-Can" Off

DTC detecting condition: 

Detected when malfunction occurs in CAN line. (Bus off)

Trouble symptom: 

The following functions do not operate. (CAN bus communication shut down)

• Manual electric retraction function (passenger's seat)
• Automatic electric retraction function
• Mirror surface angle manual adjustment function
• Mirror surface angle memory restoration function
• Mirror surface angle memory function
• Reverse-linked mirror surface angle memory restoration
• Front door step light illumination
• Mirror heater operation
• Remote control mirror switch light illumination