The Jaltest CV (Commercial Vehicle) diagnostic scanner is the leading multi-brand diagnostic tool for heavy-duty trucks, medium-duty trucks, buses, trailers, and commercial pickups. Jaltest CV Commercial Vehicle Diagnostic Scanner - Professional Multibrand Truck Diagnostic Tool for Heavy Duty, Medium Duty & Fleet Diagnostics The Jaltest CV (Commercial Vehicle) diagnostic scanner is the leading multibrand diagnostic tool for heavy-duty trucks, medium-duty trucks, buses, trailers, and commercial pickups. This professional truck diagnostic scanner covers 241 vehicle manufacturers and 6,750 models, providing dealer-level diagnostics for Peterbilt, Kenworth, Freightliner, Mack, Volvo, International, Cummins, Detroit Diesel, and over 230 additional brands—replacing expensive OEM diagnostic software subscriptions with one comprehensive solution. What is Jaltest CV Commercial Vehicle Diagnostic Tool? Jaltest CV is an advanced multibrand truck diagnostic scanner designed for professional repair shops, fleet maintenance facilities, mobile mechanics, and dealerships. Unlike single-brand OEM tools like Cummins Insite, Detroit DDDL, or Volvo Premium Tech Tool, Jaltest CV diagnoses all commercial vehicle makes and models from a single platform, eliminating the need for multiple diagnostic subscriptions.