A diagnostic connector module for a vehicle, the module comprising: an electronic communication module mounted on a printed circuit board; and a housing enclosing the electronic communication module, the housing having integrated connectors (72, 108) electrically connected to the electronic communication module, the integrated connectors (72, 108) including a diagnostic service connector integrally molded as a single piece with a first housing member and forming an on-board diagnostic port of the vehicle, for connection with an external diagnostic scan tool via OBD-II protocol, the diagnostic service connector having a plurality of female pin-receptors electrically connected to the electronic communication module, and a vehicle bus connector integrally molded as a single piece with a second housing member, the vehicle bus connector being connectable to a vehicle bus and having a plurality of terminals electrically connected to the electronic communication module, wherein the plurality of female pin-receptors for the diagnostic service connector includes a plurality of female-female box terminals coupled to the printed circuit board via male terminals extending from a first side of the printed circuit board, and the plurality of terminals for the vehicle bus connector includes a plurality of male terminals extending from a side of the printed circuit board opposite the first side, and wherein each of the first and second housing members (64A, 64B) includes a hood (92, 112) and a pair of adjacent channels (98, 124) configured to direct water away from the corresponding one of the diagnostic service connector and the vehicle bus connector. an electronic communication module mounted on a printed circuit board; and a housing enclosing the electronic communication module, the housing having integrated connectors (72, 108) electrically connected to the electronic communication module, the integrated connectors (72, 108) including a diagnostic service connector integrally molded as a single piece with a first housing member and forming an on-board diagnostic port of the vehicle, for connection with an external diagnostic scan tool via OBD-II protocol, the diagnostic service connector having a plurality of female pin-receptors electrically connected to the electronic communication module, and a vehicle bus connector integrally molded as a single piece with a second housing member, the vehicle bus connector being connectable to a vehicle bus and having a plurality of terminals electrically connected to the electronic communication module, wherein the plurality of female pin-receptors for the diagnostic service connector includes a plurality of female-female box terminals coupled to the printed circuit board via male terminals extending from a first side of the printed circuit board, and the plurality of terminals for the vehicle bus connector includes a plurality of male terminals extending from a side of the printed circuit board opposite the first side, and wherein each of the first and second housing members (64A, 64B) includes a hood (92, 112) and a pair of adjacent channels (98, 124) configured to direct water away from the corresponding one of the diagnostic service connector and the vehicle bus connector. a diagnostic service connector integrally molded as a single piece with a first housing member and forming an on-board diagnostic port of the vehicle, for connection with an external diagnostic scan tool via OBD-II protocol, the diagnostic service connector having a plurality of female pin-receptors electrically connected to the electronic communication module, and a vehicle bus connector integrally molded as a single piece with a second housing member, the vehicle bus connector being connectable to a vehicle bus and having a plurality of terminals electrically connected to the electronic communication module, wherein the plurality of female pin-receptors for the diagnostic service connector includes a plurality of female-female box terminals coupled to the printed circuit board via male terminals extending from a first side of the printed circuit board, and the plurality of terminals for the vehicle bus connector includes a plurality of male terminals extending from a side of the printed circuit board opposite the first side, and wherein each of the first and second housing members (64A, 64B) includes a hood (92, 112) and a pair of adjacent channels (98, 124) configured to direct water away from the corresponding one of the diagnostic service connector and the vehicle bus connector.