Breakdowns Don't Wait. Neither Should You.
Virtual technicians in your trucks to reduce tows, avoid costly repairs, and make smarter repair decisions.

No Techs? No Problem.
Every breakdown is a race against time. Without diesel technicians on staff, fleets lose hours waiting for outside help, driving up costs and downtime.That’s why we give you two clear paths forward: Do it yourself. Or let us do it for you.

The Wikipedia of Truck Repair Information
Enhance efficiency and savings with a vast library of repair information. Whether you need wiring diagrams, fault code step-by-step directions, remove and replace information and much more, Diesel Repair is the one app to trust for every make out there.
Diesel Repair has introduced a new individual plan for single users—ideal for diesel technicians. Priced at $9.99 per month, it offers Diesel Laptops VIN Decoder, Truck Fault Codes (Quick Repair), and Truck Parts Cross. Users can purchase credits to access additional Diesel Repair modules such as wiring diagrams, technical repair documentation, testing procedures, and much more.
Helping Techs Use Our Tools
Diesel Training outfits the next generation of diesel technicians with the knowledge to be the best they can be. Our OEM and ASE certified diesel technician trainers are trusted by over 5,000 service technicians, fleet managers, and repair shops. Individual plans include features like...
Learn More
Do It Yourself
For Drivers: Diesel Decoder
Empower your team with the right tools to handle issues on the spot, whether it’s a driver on the road or staff back at the yard.
Turn every driver’s smartphone into a powerful diagnostic tool. With the Diesel Decoder, they can keep trucks moving instead of waiting on a tow.
- Read and clear fault codes instantly
- View live engine and emissions data
- Perform DPF regens, disable derates, & other commands
- Get vehicles safely off the side of the road

For the Yard: Diesel Handheld Pro
Give your fleet managers, dispatchers, or maintenance staff shop-level diagnostic power without needing a technician. The Diesel Handheld Pro makes it simple for non-techs to get answers fast.
- Read and clear fault codes instantly
- Covers every commercial truck make & model
- Perform DPF regens, disable de-rate mode, & many others
- Perform maintenance resets on filters: DPFs, fuel, oil, air & more
- Rugged, standlone system that is easy to use

We Do it For You: Fleet Master Package
The perfect mix of tools in every cab, support at your yard, and expert diesel technicians on call. Ready to triage breakdowns the moment they happen.

- 3-Year Program. One simple subscrition with no credit check
- Rugged Toughbook Laptop. Preloaded with everything you need to handle common issues in your yard. Change cruise/road speeds, perform DPF regens, disable derates, & more. Includes all hardware required to add OEM software in the future.
- Diesel Handheld 2. Compact, easy to use, and always ready. Perfect for quick, portable diagnostics without the bulk of a laptop.
- Diagnostics in Every Cab. Each truck is equipped with a Diesel Decoder and paid license, giving drivers the ability to work with our call center to remotely triage problems quickly.
- Experts a Call Away. Connect instantly with an experienced diesel technician for triage, regens, derate disable, and repair guidance.
- Health Scans with History. Run a complete health scan on any vehicle, any time. Each scan creates a PDF report stored on our servers, building a history of every truck’s condition. Compare past and present data for faster diagnostics and uncover issues drivers may not report, like ABS or check engine lights.
- Emissions Tampering Detection. Verify that vehicles haven’t been tampered with. Use it to inspect used trucks before purchase and protect your fleet if accusations arise.
Get Instant Quote
Enter your details below and we'll provide an instant quote based on your power units.
Table header 0 | Diesel Handheld Pro | Diesel Universal Kit | Diesel Tablet |
---|---|---|---|
Portability | Medium (Rugged Handheld) | Low (Rugged Laptop) | Medium (Rugged Tablet) |
Device Dependency | Standalone | Laptop + VCI | Tablet + VCI |
Coverage | Commercial Trucks | Commercial Trucks | Commercial Trucks |
Read/Clear Codes (Heavy & Med Duty) | Yes | Yes | Yes |
Read/Clear Codes (Light Duty) | Yes | Yes | Yes |
DPF Regens | Heavy, Medium, & Light Duty | Heavy, Medium, & Light Duty | Heavy, Medium, & Light Duty |
Aftertreatment Resets (Filters, Derates, Etc.) | Heavy, Medium, & Light Duty | Heavy, Medium, & Light Duty | Heavy, Medium, & Light Duty |
Maintenence Resets (Oil Change, Air Filters, Etc.) | Heavy, Medium, & Light Duty | Heavy, Medium, & Light Duty | Heavy, Medium, & Light Duty |
Change Road/Cruise Speeds | No | Heavy & Medium Duty | Heavy & Medium Duty |
All Other OEM Diagnostic Commands | No | No | Yes |
ECM Password Support | No | Yes | Yes |
One-Tap to Fault Code Repair | Yes | Yes | Yes |
3rd Party Software Compatibility | No | All Truck OEM & Aftermarket Software | N |
Heavy Duty = Class 8 Trucks / Medium Duty = Class 4-7 / Light Duty = GM, Ford, RAM, Dodge
Keep Trucks Moving. Cut Downtime. Save Money.
With Diesel Laptops, fleets without diesel techs can finally take control of their breakdowns. Our solutions are proven to:
Trucker AK Reviews the Diesel Decoder
Trucker AK is a YouTuber with over 60,000 subscribers who shares life on the road as a professional driver. He recently put our Diesel Decoder to the test and gave his honest review of how it works out on the road.
Ready to Keep Your Fleet Moving?
Get started with Diesel Laptops today and put expert technicians, powerful tools, and proven results in every truck of your fleet.
