Proformance Diagnostics – Diesel Truck Diagnostic Tools. Premium heavy-duty diagnostic equipment for Cummins, Detroit Diesel, Paccar, Volvo, and Mack engines.
The Advanced Diagnostic Tool For Truck Drivers
More Than Just a Regen Tool
Trusted by Over 500,000 Users Worldwide
Proformancelink
The Advanced Diagnostic Tool For Truck Drivers
More Than Just a Regen Tool
Meet Proformance.
Advanced diagnostics,
right in your hand.
13+
Years of Diagnostic Expertise
6M+
Compatible Vehicles
500K+
Users Worldwide
Our Story
For over 13 years, Proformance has built diagnostic tools for people who keep vehicles moving. Developed by our dedicated engineering team and field-tested in commercial fleets, our portable platform turns complex vehicle data into clear, fast insight.
What's Next
Now expanding across North America, we bring professional-grade diagnostics to drivers, fleets, and repair shops in a simpler, more accessible way-so you can reduce downtime and make every decision with confidence.
Everything you need.
Nothing you don't.
All Makes & Models
Quickly read and understand fault codes across most commercial vehicles and equipment-without needing advanced technical knowledge.
Driver-Friendly Diagnostics
Clear, actionable information so drivers and fleet managers know what's happening before it becomes a breakdown.
Faster Decisions
Decide whether to keep rolling, schedule service, or prevent a costly roadside repair.
↓ 40%
reported downtime reduction*
One Tool, More Control
Monitor vehicle health, reduce guesswork, and simplify diagnostics with one powerful solution.
6M+
compatible vehicles
13+
Years Experience
30+
Day Returns
30+
Countries Served
* Based on customer survey data collected in 2024. Individual results may vary.
Partners
Become an Authorized Dealer
Join our network to grow your business
Partner with Proformance Diagnostics and gain access to innovative diagnostic solutions, dealer-only benefits, and ongoing support designed to help you expand your reach and increase revenue.
Learn MoreCapabilities
Advanced Diagnostics & Repair
Professional-grade capabilities, made simple for everyday use
OEM-Level Diagnostics
Access deep, OEM-level data including fault codes, live parameters, and system status across major commercial vehicle platforms.
Mobile App Connectivity
Use an intuitive mobile app to view diagnostics, monitor vehicle health, and manage reports anytime, anywhere—right from your phone or tablet.
Special Functions
Perform essential service and reset functions with guided workflows that simplify advanced operations and reduce reliance on multiple tools.
One Tool. Every Situation. No Surprises.
Whether you're on the road, running a shop, or buying used — ProFormance Link turns hidden truck data into clear, money-saving decisions.
Owner-Operators
Warning light just came on? Know in seconds whether it's safe to keep driving or time to pull over — without guessing or waiting for a mechanic.
Keep your rig rolling →
Fleet Maintenance Teams
Cut diagnostic time per truck from hours to minutes. Spot issues before they become breakdowns and keep your entire fleet moving with fewer surprises.
Reduce fleet downtime →
Mobile Diesel Mechanics
Show up with everything you need in your pocket. Run OEM-level diagnostics on-site without lugging a laptop — and close more jobs in less time.
Work faster on-site →
Used Truck Inspections
Don't buy someone else's problem. Pull active fault codes and check every system before you hand over cash — negotiate with data, not gut feel.
Buy with confidence →Wireless Freedom
No cables, no hassle. Pair via Bluetooth in seconds.
Your Phone, Your Tool
Works on Android & iOS — nothing extra to carry.
Always Up to Date
Software updates included with your subscription.
Real Human Support
U.S.-based diesel techs who actually know trucks.
Why Choose Proformance?
500K+ Global Users
30-Day Money-Back Guarantee
1-Year Limited Warranty
5.0 Google Rating
Lifetime Customer Support
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Ready to save thousands on repairs?
Every week you wait could cost you hundreds in unnecessary shop bills.
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