DTC U0010-48: Medium Speed CAN Communication Bus - Supervised software failure: Action

NOTE: If CAN network integrity test fails, more information can be found here: 4: Electrical, 418: Electrical Distribution, 418-00 Module Communications Network (Diagnosis and Testing, Communications network)

Using the manufacturer approved diagnostic system, complete a CAN network integrity test
Refer to the appropriate system wiring diagrams and check the medium speed CAN circuit for short circuit to ground, short circuit to power, open circuit, high resistance