The best courses in-vehicle computer diagnostics

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If you’re looking for a career in the automotive industry you need to keep up with the latest modern technology and updates. This is especially the case with computer diagnostics, which is inevitably becoming the in-demand skill for mechanics and vehicle diagnostics specialists. If you already have a set of skills that you want to improve, or you’re just getting started – there are brilliant online courses you can take.

Below, we’ve made a list of the best courses in-vehicle computer diagnostics that you need to take a look at. We’ve made sure that there’s a course for everyone – from beginners to advanced learners. Let’s dig in.

source: Pexels 

  • Why Learn vehicle computer diagnostics?

Let us first take a moment to look at the benefits of taking courses in-vehicle computer diagnostics. Why are they so in demand? Who should take them? What benefits can you expect after finishing them?

The truth is, in the fast-paced modern world that we live in, everything changes quickly. It’s no different in the automobile industry, where new cars, tools, software, and gadgets just keep popping up. Nearly 15 million new light vehicles were sold in the US in 2021 alone. So, the market keeps rising.

If you’re a simple car-enthusiasts or a skilled mechanic, you need to keep up with these trends. And, learning about the latest in-vehicle computer diagnostics is a must.

So, the benefits of taking any of the courses that we’ve listed below, include:

  • being able to maintain your own car
  • understanding what your mechanic is charging you for
  • offering your customers top-notch diagnostic solutions
  • setting yourself apart from your competitors
  • self-improvement and confidence boost

It’s obvious that you’ll experience nothing but benefits if you invest time and some money into taking a vehicle computer diagnostics course.

The Best Vehicle Computer Diagnostics Courses Online 

Now, let’s get to the good part. We’ve hand-picked four exquisite vehicle computer diagnostics courses, that will fit the different needs you may have. Read all about them to see which one would be the smartest choice for you. And if you hesitate whether to take the course, as it may interfere with your school work, hesitate no further. Just hire an essay writer service and spend more time on an in-vehicle computer diagnostics course from the list.

Price: $50

Language: English

The first course we’ll be discussing is a beginner’s course on Computerized Vehicle Scan. It’s a 1-week course you can buy online and that comes with a certificate of knowledge in the end. They do point out that you need some basic knowledge of in automobile or mechanical field. But, if you don’t have it, they’ll provide preparation guidelines so that you can take the course anyway.

Here’s what the course covers and teaches you:

  • carrying out a professional vehicle scan
  • Finding DTC 
  • DTC troubleshooting, reading & interpreting.
  • Vehicle performances live checking & finding issues
  • On-board diagnosing procedures

Simply put, once you finish this course, you’ll be able to perform different kinds of vehicle diagnostics, use different vehicle scan tools, and understand DTC, MIL, and OBD11.

Price: € 17.00

Language: English

Designed for both mechanics who want to improve their skills and performance, and individuals who want to maintain their own car electrics, this course might just be suited for you. It teaches the OBD-standard diagnostics and how to carry out effective troubleshooting. You’ll also learn how to verify the vehicle’s roadworthiness.

The course highlight the following learning objectives:

  • Essentials of component, functional and self-diagnostics
  • OBD diagnostic functions
  • OEM diagnostic functions
  • Application of EOBD/OBD-II diagnostics
  • Running component tests 
  • Reading malfunction indicators and lights

It’s an in-depth and exhaustive course that you can learn a lot.

  • Automotive/Automobile Engineering; Onboard Diagnostics(OBD) by Udemy

Price: $13.99

Language: English

Udemy is a well-known platform for education that offers a variety of courses in car engineering and diagnostics. The course we chose teaches you the basics of Onboard Diagnostics and enables you to track down different subsystems of the Automotive Internal Combustion Engines.

This course is designed for all Automobile Engineering enthusiasts who want to learn more about modern car maintenance. Here’s what you’ll learn:

  • On-board diagnostics in Automotive Engineering
  • Diagnosing the Problems in automotive applications
  • Fault codes in the field of Automobile/Automotive Engineering
  • History of the Onboard Diagnostics (OBD) 
  • Diagnostics-Emissions & Equipment needed for Automotive applications

The course is divided into 4 sections or 9 lectures and is 55 minutes long. Once you purchase the course, you can access it as many times as you want. 

Price: £10/£20

Language: English  

Finally, this last course is organized by the Institute of the Motor Industry, and you can earn a certificate at the end. It is designed with a focus on OBD monitors, scanners, and ECU fuel trim diagnostics. That means that you’ll be able to add significant skills and knowledge to your resume and improve the way you work as a mechanic or maintain your own car.

The course overview outlines the following objectives you’ll achieve upon finishing:

  • Explain the history of the emissions control legislation
  • Learn about Diagnostic Trouble Codes
  • Learn how to apply smartphones and tablets
  • Implement P-Codes 
  • Understand and master diagnostic monitors
  • Master OBD scanners and diagnostic connectors
  • Learn about Controller Area Network (CAN)
  • Differentiate long and short-term trim values
  • Explain fuel trim diagnostic

As for the technical details, it’s a four-hour course you’ll be taking online, so you can do it no matter where you are or what you do.

Final Thoughts

Self-improvement is extremely important, and we should all strive to upgrade our skills constantly. This is especially the case for people in the automobile engineering industry, where innovation and technical tools are always on the rise. So, courses such as the ones we’ve listed above will help you set yourself apart from the competitors.

Hopefully, you’ve found a course that suits your needs and are ready to start learning about vehicle computer diagnostics!


Diane Sherron is a professional writer who is passionate about cars, speed, and engineering. She majored in Education and Teaching but managed to combine her work with her hobby. In her articles, she writes about everything from engineering to education and shares her opinion and experience.