The present specification relates to an electronic control apparatus for a vehicle, and the electronic control apparatus for a vehicle according to the present specification includes: an electronic control board which electrically controls respective parts in the vehicle; a connector which is electrically connected with the electronic control board; and a housing which is provided with a cover and a base in order to accommodate the electronic control board, in which the cover includes an upper support portion which supports an upper portion of the connector, and the base includes a lower support portion which supports a lower portion of the connector.