Note: Autodata 3.48 is older software (typically running on Windows XP or 7). If you are posting this for a download link, ensure you include the specific download details. Description: Autodata 3.48 is one of the most comprehensive and widely used reference programs for professional automotive technicians and DIY mechanics. Although it is an older release, it remains a go-to resource for repair times, wiring diagrams, and technical specifications for vehicles manufactured up to roughly 2008/2009. Inception In Tamilyogi- Network (cdn). Challenges