Discover Diesel Repair’s Free Features: Essential Tools for Every Technician

You probably already know Diesel Repair is the go to platform for heavy duty truck repair information. But what a lot of users do not realize is there is an entire section of free features you can start using right now.

With just a free account you can decode any VIN with over twenty data points and jump straight to parts with our VIN to Part feature. You can also look up fault codes with detailed repair instructions, pull wiring diagrams, access remove and replace procedures, and cross reference parts without spending a dime or using any credits.

You can access Diesel Repair anywhere. Log in from your desktop at the shop or use the mobile app on your phone when you are out on the road. As long as you have an internet connection you are good to go.

Keep reading to see everything included in the free Repair Information and Parts Information tools and how to start using them to save time on your next repair.

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Diesel Repair Free Features You Should Be Using

 

1. VIN Decoder

Diesel Repair’s VIN Decoder gives you over twenty data points on any VIN you enter. You will see engine model, engine capacity, vehicle year, cab configuration, and more. One of the best time savers here is VIN to Part. After decoding the VIN you can instantly link to parts for that exact vehicle. No more guesswork or wasted searches.

You can also click straight from the VIN results into wiring diagrams, fault codes, and technical repair documents so you are always working with the right information for the truck in front of you. And like all of Diesel Repair’s core tools, the VIN Decoder is free to use.

When you access the VIN decoder from your dashboard, you will be able to see information on your truck and more direct links that will save you time when you are completing the repair.

Step 1. Select the VIN decoder feature and then enter the VIN into the search bar and click the magnifying glass

Step 2. Review the decoded vehicle data below 

Bonus tip: Diesel Repair automatically saves your recent VIN searches so you can easily jump back into a previous job without re-entering the VIN.

 

 

 

Step 3. Jump to parts, wiring diagrams, fault codes, or tech documents with one click

Step 4. If ordering a part, click Buy From FindItParts to check pricing and availability. To compare options first, click View Part under Equivalent Parts

Pro tip: VIN to Part is one of the most powerful tools inside the VIN Decoder. If you start with the VIN you can skip straight to accurate part searches for that exact truck. No wasted time. No wrong parts. No returns.

This is why VIN Decoder should be your first stop inside Diesel Repair. It sets you up with the exact parts and information you need so you can move faster on every job. And once you have the VIN, jumping straight into Fault Codes is even easier.

2. Truck Fault Codes

Diesel Repair has the biggest fault code database in the diesel industry. You can search every commercial truck DTC from the first Electronic Control Modules (ECMs) all the way through today’s latest models.

Free users can view the entire Diesel Repair fault code database with full descriptions and quick repair troubleshooting. You will see exactly what the code means and where to start the repair.

Our subject matter experts at Diesel Laptops built these repair guides to be accurate, up to date, and consistent across every manufacturer. Whether you are working on engines, transmissions, ABS or other major systems, you will always get clear instructions that help you get the job done.

The Truck Fault Code Database covers:

• Top OEMs like Freightliner, Peterbilt, Kenworth, Volvo, Mack, International and more

• Major engine platforms including Cummins, Detroit Diesel, PACCAR, Navistar and others

Diesel Repairs Truck fault codes has all the pieces from getting the repair started to completion stage with all the information provided right in the truck fault code section. From the fault code, you can easily click on the step-by-step trouble shooting.

The fault code descriptions are detailed with direct links to repair instructions, technical repair documents, and procedures.

With the Fault Code: SPN 100 FMI 1, the feature will come back with a step-by-step trouble shooting document, testing procedure, and wiring diagrams*

For example, if you look up Fault Code SPN 100 FMI 1, Diesel Repair will return a full step by step troubleshooting guide, related testing procedures, and wiring diagrams you can use to complete the repair.

You will see multiple results and documents to help you diagnose and fix the issue the right way.

Need the wiring diagram to start your repair? The system will also show you exactly where to find the wiring diagram for that fault code, which you can use credits to download.

See Diesel Repair’s Truck Fault Codes in Action 👇

Pro tip: Always start your repair with Fault Codes after decoding the VIN. It helps you see the full picture of what is going on with the truck and saves time by pointing you straight to the issue.

 

3. Part Cross Reference

Diesel Repair’s Parts Cross Reference is one of those tools that saves you time on almost every job. You can search the largest HD parts database in the industry and cross reference any OEM or aftermarket part in seconds. There are over two million parts and ten million crosses available and it is the only free parts cross reference platform out there.

We built it this way because we know how often you are trying to track down parts from different suppliers. Whether you are chasing down a hard to find OEM part or just need to see if there is a good aftermarket option Parts Cross Reference helps you find what you need fast.

Pro tip: Start with Parts Cross Reference when you need to double check availability or pricing across brands. It will save you calls and callbacks.

 

4. Diesel Repair Exploded Parts Diagrams

Exploded View is one of the fastest ways to go from what you see on the truck to finding the exact part you need. You can search by make, model and category and pull up detailed diagrams that break the assemblies down piece by piece.

From each exploded diagram, you can jump directly to:

• Part numbers and related details

• Cross-references

• Remove & Replace procedures

• Additional specs inside Diesel Repair

This is one of the fastest ways to confirm exactly which part you need so you can order it with confidence and get the truck back on the road faster.

Watch how the exploded view works 👇

Search Make, Model, Category of parts to easily view the complete assembly with detailed part information. Need to order a part? You can do that too.

Pro tip: Use Exploded View to double check part numbers before you order. It helps make sure you get exactly what you need and cuts down on returns.

5. Component Search in Diesel Repair

Component Search helps you narrow down your part search fast. You can start with a component group and quickly drill down by part type and manufacturer until you find exactly what you need.

Once you find the part you are looking for you can pull up full details, run a parts cross reference, and order the part in just a few clicks. The detailed drawings make it easy to confirm you have the right component before you place the order.

Our in-house electrical experts have painstakingly combed through every wiring diagram in the Diesel Repair database and made them all clear and consistent so you can actually put them to use… without having to figure them out first. Engine, cab, chassis, ABS, transmission. We’ve made sense of diagrams for every electrical component so you don’t have to.

Wiring diagrams cover all aspects of the commercial truck, including the engine, cab, chassis, ABS, transmission, and other related components.

Wiring diagrams cover all aspects of the commercial truck, including the engine, cab, chassis, ABS, transmission, and other related components.

What’s Covered

Our wiring diagram library includes:

• Major systems: Engine, Aftertreatment, ABS, HVAC, Lighting, Body, Chassis, and Transmission
• Top OEMs like Freightliner, Peterbilt, Kenworth, Volvo, Mack, International, and more
• Engine platforms including Cummins, PACCAR, Detroit Diesel, Navistar, and others
• Diagrams built and verified by in-house Diesel Repair experts

Thousands of diagrams are added, updated, and standardized by our internal team—so you always have reliable, up-to-date info.

Want to see how it works? Watch our walk through how to use Diesel Repair’s how to use Diesel Repair’s Wiring Diagrams and where it fits in your Diesel Repair workflow. 👇

 

Pro tip: Start with Wiring Diagrams any time you are troubleshooting electrical issues. It will save you time and help you avoid unnecessary parts replacements.

 

2. How to Use Repair Docs in Diesel Repair

Repair Docs gives you access to over five hundred thousand service documents all in one place. You will find remove and replace instructions maintenance intervals engine specs torque specs recalls and technical service bulletins.

Most OEM repair docs are hard to use. They are bloated inconsistent or buried in expensive software. Our team rebuilt this experience from the ground up. We organized and cleaned up thousands of repair documents specs and diagrams across every major make model and engine platform.

 Look up your docs for free

Now you can get step by step instructions illustrations and clear formatting that match what you are working on.

Whether you need to remove a turbo replace an EGR valve or check torque specs on a water pump you can find what you need fast and get the job done.

For experienced techs this means less time wasted. For newer techs this means faster learning and fewer mistakes. For your shop it means faster turnarounds and more work completed right the first time.

See it in action 👇

Pro tip: Run Repair Docs before starting the job. It will save you from having to stop mid repair to look up specs or instructions.

 

3. Symptom-Based Troubleshooting Lookups

Symptom Based Troubleshooting makes it easy to track down the cause of an issue even when you do not have a fault code. You can search by industry make type year model and symptom and quickly pull up possible causes along with links to repair guides and procedures.

It is built to help you diagnose the problem faster without wasting time chasing the wrong leads.

Using our easy-to-use search menu, users can quickly find the solutions to their symptoms. Get information such as possible causes and steps to diagnose each problem.

Our subject matter experts organized this tool so you can always understand what to do next no matter what level tech you are.

Search By

Pro tip: If you are starting a repair based on a customer complaint or symptom but do not have a code yet start here first. It can save you time and help you get to the root cause faster.

 

4. Diesel Repair’s Labor Time Guides

Labor Times helps you quote jobs with confidence and back it up with real numbers. You can see average repair times for most procedures with ranges from low to high based on the actual work required.

This is a huge help when it comes to quoting new customers or writing up invoices. You can give competitive quotes without selling yourself short. And when it is time to collect payment you have solid numbers to back it up.

For shops it also helps you plan jobs better and set realistic expectations with customers. It is one more way Diesel Repair helps you save time and keep your business running smoothly.

Provides an average repair time for most procedures. With this feature, you can see a range from low to high of how long it typically takes to perform a repair.

Give your customers competitive quotes and air-tight invoices with the industry’s most thorough labor time guides. Diesel Repair’s labor time guides features:

Add-On Repair Times

5.Testing Procedures

Testing Procedures helps you figure out exactly what is wrong with a part and how to fix it. You will find step by step instructions on how to run the best tests which tools to use and how to work through the problem the right way.

No matter what you are working on testing procedures gives you clear directions to cut through the guesswork and help you get the job done. It covers everything from prep steps to full repair guides across all makes.

. From thousands of possibilities to what’s really wrong in just a few simple clicks… Testing Procedures cuts to the core and gives you everything you need to keep rolling.

Includes Preparatory Repair Steps and Complete Coverage for All Makes, Such As:

Includes Repair Guides, Testing Repair Job Steps and Complete Coverage for Even More Makes, Such As:

Pro tip: Use Testing Procedures any time you need to confirm a failure or verify a fix. It will save you time and help avoid unnecessary part replacements.

 

See All Plans

More Diesel Repair Features You Might Have Missed

Diesel Dictionary 

Over 1,000 acronyms, technical terms, and industry slang indexed and explained so you can be sure everyone is speaking the same language. If you’ve ever wondered what a wiggle wagon or a pintle hook might be, the Diesel Dictionary makes it quick and easy to find out for sure.

• Over 1000 Definitions – You never have to second guess anything you have read in any repair document

• Contains Repair Acronyms and Word Definitions

You have got all the tools you need right here in Diesel Repair. Whether you start with the free features or level up with premium tools this platform is built to help you save time avoid mistakes and keep more trucks on the road. If you have not already created your free account now is the time. Jump in and start seeing the difference it can make in your shop.

Learn More

Claim your free Diesel Repair account today!
🔗 Get FREE Fault Code Information for all makes and models in Diesel Repair →Diesel Repair

📱 Now Available: Diesel Repair Mobile App Access fault codes, wiring diagrams, and repair docs right from your phone or tablet—whether you’re in the shop or roadside. The Diesel Repair mobile app is live and ready to keep techs connected on every job.

🔗Download the app or learn more here

 

 

 

 

 

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