On Highway Diagnostic Tools
Need to diagnose your on-highway vehicles?
Jaltest offers powerful dealer-level diagnostics for semi trucks, pickups, cargo vans, school buses, transit buses, light commercial vehicles, and medium-duty trucks.
Read and clear fault codes, troubleshoot issues, set parameters, force regens, access repair instructions, and get your fleet back on the road — faster and more efficiently.
Jaltest Kit Building Wizard
Quickly build, price and purchase your diagnostic kit with the products, cables and computer you need
Build My Custom Kit
Our Resources
We know sometimes you need assistance diagnosing, calibrating or changing parameters.
Learn More Resources