DTC U0073: Control Module Communication Bus "A" Off: Action
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
The module could not communicate on the network at a point in time. The fault is not currently present since the module is able to communicate with the diagnostic scan tool to report this DTC. VERIFY the integrity of the connectors and wiring. Refer to the Module Communications Network wiring diagrams for schematic and connector information.