TRP Diagnostic Pro comes with all-makes software to support routine maintenance, troubleshooting, and mixed fleet repairs.

The TRP Diagnostic Pro delivers expedited results for commercial truck service shop professionals, fleets, and technicians in ...

New all-in-one device plugs into the diagnostic port of North American heavy duty truck makes and models and connects via free* smartphone app. Designed for truck owner-operators and smaller ...

Detroit Diesel launched advanced diagnostics features for its Detroit Diesel Diagnostic Link tool. DDDL is a diagnostic tool available for heavy duty engines, and is compatible with Detroit Diesel's ...