1. A method of prioritizing replacement of at least one part for vehicle fault analysis, said method comprising: determining, by a fault analysis module, that a fault is present in the vehicle; identifying, by the fault analysis module, a plurality of parts associated with the fault; determining, by the fault analysis module, at least one of a fixed effectiveness rate and a no fault found (NFF) rate for each part of the plurality of parts; and generating, by the fault analysis module, a list of the plurality of parts in hierarchal order based on the determined at least one of the fixed effectiveness rate and the NFF rate.