/// Initialize Diagnostic manager that will handle obd2 requests.
/// We pass by default the first CAN bus device to its Initialization.
/// TODO: be able to choose the CAN bus device that will be use as Diagnostic bus.
/// Initialize Diagnostic manager that will handle obd2 requests.
/// We pass by default the first CAN bus device to its Initialization.
/// TODO: be able to choose the CAN bus device that will be use as Diagnostic bus.