The Jaltest Commercial Vehicles Coverage Upgrade allows you to add full diagnostics for light-, medium-, and heavy-duty commercial vehicles to your existing Jaltest diagnostic tool. This module expands your service capability without the need to purchase a separate device or license. With this upgrade, you gain access to all-makes, all-systems diagnostics on Class 3–8 vehicles including trucks, buses, trailers, and vans. Coverage includes engine management, transmissions, ABS, aftertreatment systems, body controllers, chassis functions, and more. You’ll be able to perform dealer-level actions such as: DPF regenerations Injector coding Cylinder cut-out tests Brake calibrations Clutch adaptations Parameter changes Live data monitoring and fault code reading Compatible with major brands like Freightliner, Kenworth, Peterbilt, Volvo, Mack, International, Ford, GM, Mercedes-Benz, and others