The Wikipedia of Truck Repair Information

Empower Your Repair Business with the Ultimate Truck Repair Knowledge Hub – Enhance Efficiency and Savings with Diesel Repair.

Diesel Repair Features Image

Over 20,000 Repair Shops, Fleets, Organizations, and Enterprise repair confidently with Diesel Repair

One app. All the tools.

Sign into Diesel Repair from your desktop or mobile device to instantly access our vast library of repair information. When you need wiring diagrams, fault code step-by-step directions, remove and replace information, and much more … it’s right here under the hood of Diesel Repair.


Everything you need to fix it right.

Discover the powerful time and money-saving tools that come with Diesel Repair.

Repair Information

Truck Fault Codes

We have all known diagnostic fault codes for commercial trucks from when ECMs were first introduced all the way up to the current year and models.

Wiring Diagrams

Color-coded, high resolution diagrams help you fix the problem fast. Don’t know where the wires are? Our component locators help you find where on the vehicle they’re tucked away.

Symptom-Based Troubleshooting

Enter your symptoms and quickly access possible causes as well as steps to diagnose and repair the issue. Print and save the details for easy retrieval.

Technical Repair Docs

Millions of tech repair docs filled with engine specs, torque specs, maintenance intervals, remove and replace instructions, recalls, and much more.

Truck Labor Times

Accurately quote high, average, and low labor times with our software that takes into consideration vehicle year, engine specs, and cab configurations. 

Testing Procedures

Our database of complete testing procedures includes tools needed, detailed testing instructions, and anything you need to know before you start. Crafted by the experts at Diesel Laptops, these procedures guide you through any fix. 

VIN Decoder

Our VIN decoder provides over 20 points of data for any VIN you throw at it including engine model, engine capacity, vehicle year, and much more. Decode your VIN and then easily one-click to wiring diagrams, fault codes, and tech docs for your vehicle.

Parts Information

Parts Cross-Reference

Take advantage of the industry’s largest HD parts database to cross-reference any OEM or aftermarket part. Over 2 million parts and 10 million crosses available!

Exploded Views

Find any part you need, even without a VIN! Our intuitive guided search and detailed exploded view diagrams make it easy to quickly find and confirm which parts you need.

Component Search

Starting with component groups, this tool rapidly narrows down your search based on component types and manufacturers.

By Measurement

Identify thousands of HD truck components by measurement with this industry-leading tool.

Find My Filter Icon Final

Find My Filter

Find your filters faster with VIN specific searches that allow you cross reference your parts in a single click. 

What Does It Fit?

Not sure what it fits, but you know you need it gone! What if you could put that part number into a website and find out exactly what makes and models it fits? This does that, in seconds.

And, More!

Diesel Health Reports

Diesel Health scans capture active and inactive fault codes, freeze frame data for fault codes, and information on major components such as the engine, transmission, cab controllers, ABS, and other computer-controlled components.

Equipment Fault Codes

Diagnose and repair your heavy equipment with Equipment Fault Codes. We cover thousands of ECUs from every manufacturer to bring you the most complete fault code database available today. 

APIs & Interfaces

Diesel Laptops’ own API platform for application developers allows our partners to build world-class applications that take advantage of our ever-expanding parts and repair databases including parts cross, fault codes, component finders, and more!

Trusted by diesel pros in every industry.

Join over 75,000 customers who rely on Diesel Repair every day.

We use Diesel Repair every day, gets the trucks in and out of the shop quicker.

Ken M.

It is literally the most helpful thing I have ever had.

James J.

Easy to use platform, from tablet to phone. Always has the info I need right at hand.

Kal J.

Whenever we use this site it has always had the information we’ve needed.

Scott H.

Solutions in seconds.

Say goodbye to multiple OEM tools, slow software, wasted time and wasted money. With Diesel Repair you get everything in one place with our intuitive tools and lightning fast results. Whether you’re on desktop, laptop, tablet or cellphone – we’ve got you covered.

A fault code search in real-time shows the speed of Diesel Repair.

Need Help Getting Started?

Getting started with Diesel Repair is a breeze! Whether you want to dip your toes for free or dive right into our unlimited plan, we've got you covered. From symptom-based troubleshooting to equipment fault codes, parts information, and more, our easy-to-use platform is your ultimate resource for all things diesel repair. Join the thousands of satisfied customers who trust Diesel Repair for their heavy-duty repair needs.

Copyright © 2024 Diesel Repair by Diesel Laptops