DTC U0010-88: Medium Speed CAN Communication Bus - Bus off: Action

Refer to the appropriate system wiring diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test
Check for other modules reporting CAN bus off or lost communication faults. If other modules report problems, check the software version in the central junction box using the manufacturers approved diagnostic system
If no other modules report problems, check the software version in the rear view camera. Update and configure as necessary