I recently had the same problem! Here is the solution I used:
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle: nil];
DashboardViewController *viewController = [storyboard instantiateViewControllerWithIdentifier:@"id"];
[self.navigationController pushViewController:viewController animated:YES];
MainStoryboard
should be the name of your storyboard and id
should be the View Controller ID which you can set in the storyboard.