A vehicle electronic computer, including a first microcontroller and a second microcontroller including respective FlexRay™ communication controllers that are linked to one another by connections, the first microcontroller and the second microcontroller being configured to exchange data with one another by way of the FlexRay™ communication controllers. Furthermore, the second microcontroller includes a CAN-FD communication controller by way of which the electronic computer is able to be linked to a communication bus of the vehicle in order to exchange data with a remote device, and the CAN-FD communication controller is linked to the FlexRay™ communication controller of the second microcontroller.