Detroit
17 functions
Supports most commercial vehicle engines including Cummins, Detroit Diesel, Paccar MX, Volvo/Mack. Provides OEM-level diagnostic support.
9-Pin Connector — Connects to most common engines including Volvo/Mack, Cummins, Detroit Diesel, Paccar MX and more. OBD Connector — Connects to the Proformance Link Adapter.
Purchase includes the Proformance Link device, You also get 12 months of Proformance Link membership with full bidirectional commands, unlimited fault code clearing, and priority expert support.
1-year hardware warranty. Free repair or replacement for any non-user-caused hardware failure under normal use.



Function list
Scan supported basic diagnostics, aftertreatment service resets, regeneration routines, DEF/SCR tests and calibration functions by OEM. Click a function for What it does, When to use, and Notes.
Detroit | Cummins | Volvo/Mack | PACCAR | ISUZU | HINO | Ford |
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System & Basic Diagnostics | ||||||
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Aftertreatment & Advanced Diagnostics | ||||||
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17 functions
Tap a function to see What it does, When to use, and Notes. Coverage can vary by engine model, year, and software version.The special functions listed for each engine are intended as a general reference. Available functions may vary depending on the engine model, year, manufacturer software version, and vehicle configuration. As a result, some functions may not be available or may differ slightly from those shown. Click a function name to view What it does, When to use, and Notes.
New Link includes 12 months. These plans are only for renewing an adapter you already registered — not part of today's purchase.
Auto-renews monthly
Auto-renews yearly
Auto-renews every 3 years
Find out which features are supported for your vehicle
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Proformance Diagnostics is a professional-grade diagnostic system designed for heavy-duty trucks and commercial vehicles. It provides comprehensive engine diagnostics, fault code reading, and advanced troubleshooting capabilities.
Our system includes the Proformance Link diagnostic adapter, mobile applications for iOS and Android, cloud-based data storage, and unlimited diagnostic capabilities across all your vehicles.
The system connects via Bluetooth to your smartphone or tablet, giving you complete diagnostic control wherever you are.
Proformance Guarantee:
We're confident in our system's ability to save you time and money. If Proformance doesn't deliver the value we promise, we offer a full refund within 30 days. Simple. Risk free.
Proformance Diagnostics provides comprehensive coverage for all major heavy-duty truck engines from 2008 onwards:
One Proformance membership covers unlimited vehicles. Simply move the diagnostic adapter between trucks as needed.
Check your specific vehicle: View our complete vehicle compatibility guide to confirm your exact year, make and model.
Proformance provides comprehensive diagnostic capabilities beyond basic code reading:
You get the same diagnostic capabilities that dealers use, right on your mobile device.
Our system is thoroughly tested on a fleet of vehicles to ensure reliable performance every time.
Here's the real cost savings from our Proformance users:
Our Proformance users report saving an average of $3,200 their first year. That's real data from real truckers.
With Proformance, you diagnose immediately, fix only what's actually broken, and keep rolling. One avoided breakdown or tow bill (averaging $1,200) pays for your membership twice over.
Unlike basic code readers, Proformance provides true dealer-level access with the ability to run commands like forced regens, SCR regens, reset DPF and more.
Your Proformance membership covers ALL engine brands with one tool (not just one manufacturer), includes continuous updates as truck technology changes, stores all your data securely in the cloud, and works perfectly on your existing phone or tablet. No expensive laptop needed.
Your Proformance membership continues smoothly, keeping all your features, data, and benefits active. You can choose annual renewal or switch to monthly payments after year one.
Your diagnostic history stays saved forever in the cloud, even if you pause your membership. The hardware remains yours, and you can reactivate anytime to access all your historical data.
Order today and receive your Proformance hardware in 2 to 5 business days. Setup takes less than 5 minutes:
No training needed. If you can use a smartphone, you can use Proformance. Most users run their first diagnostic within minutes of unboxing.
Because Proformance delivers on its promise: total control over your maintenance, 24/7.
Our users never worry about surprise breakdowns, expensive diagnostic fees, or being sold unnecessary repairs. When you're broken down at 2 AM, you'll understand why so many drivers won't run without Proformance.
With lifetime hardware protection, if your adapter ever fails while you're an active member, we'll replace it free. That's our commitment to keeping you on the road.
Based on 6 reviews
Easy to use and quick to connect.
Being able to check live data from my phone is really useful. I don't have to guess what's going on when a warning light comes on.
Works great on my truck. I mainly use it to check fault codes and run a DPF regen when needed. Pretty simple to use
I used the Proformance Link on my Kenworth T680 for the first time and was impressed with how easy it was to use. It connected quickly, read the fault codes, showed live data, and I was able to run a DPF regen right from my phone. Great tool and very convenient to keep in the truck.
good product!
The ProformanceLink offers excellent functionality for the price. It supports multiple heavy-duty protocols like J1939 and J1708, reads engine and transmission codes, and performs basic DPF regeneration. It’s not as advanced as high-end tools, but for a small fleet or individual truck owner, it’s a fantastic value.
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