A pickup truck has a rear vehicle body structure in which a fuel piping system is guided through a rear wheel apron along a cargo bed of the vehicle. The present invention utilizes a circumferential castellation formed within a housing operable to receive within the notches formed by the castellation a complimentary number of fingers formed from a retainer plate. The device health value is then generated based on a state of the hardware component andor a state of a software stack that includes the operating system at boot up.