Do you want to develop the essential knowledge needed to understand modern vehicle systems, diagnose automotive faults, and work with onboard diagnostic (OBD) technology used in today’s vehicles? Automotive engineering has evolved rapidly, and onboard diagnostics now plays a critical role in identifying engine performance issues, emission faults, and electronic system failures. As vehicles become more electronically controlled, the demand for professionals with strong automotive diagnostics and OBD system knowledge continues to grow across the UK automotive industry.

Across the UK, garages, dealerships, fleet operators, and automotive service centres increasingly rely on skilled technicians who can interpret diagnostic trouble codes (DTCs), analyse ECU data, and use OBD scanning tools effectively. Whether you are entering the automotive industry or upgrading your technical skills, understanding vehicle diagnostics systems and automotive electronics is essential for modern career progression.

Whether you are a beginner, aspiring mechanic, automotive technician, or someone looking to move into vehicle diagnostics, this course provides a strong foundation in automotive engineering onboard diagnostics, ECU systems, and fault detection processes. You will gain practical knowledge of how modern vehicles communicate faults and how diagnostic tools are used to identify and resolve issues efficiently.

The Automotive Engineering Onboard Diagnostics Course is designed to provide learners with a comprehensive understanding of OBD systems, ECU functions, vehicle fault diagnosis, and automotive electronics fundamentals. You will explore how diagnostic systems work, how error codes are generated, and how professionals interpret and respond to vehicle system data.

Delivered fully online and self-paced, this CPD-accredited course allows you to study flexibly while gaining essential automotive diagnostics training UK skills and a recognised certificate to support your career development in the automotive industry.

Develop the confidence to understand vehicle systems, interpret diagnostic data, and build practical skills relevant to modern automotive engineering and diagnostics roles.

Course Overview

This CPD-accredited online training course provides a comprehensive introduction to automotive engineering, onboard diagnostics (OBD), ECU systems, and vehicle fault diagnosis, aligned with modern automotive industry standards in the UK.

What This Course Covers

• Introduction to automotive engineering and vehicle systems
• Fundamentals of onboard diagnostics (OBD and OBD-II systems)
• Understanding ECU (Electronic Control Unit) functions
• How vehicle diagnostic systems detect faults
• Diagnostic Trouble Codes (DTCs) and their meanings
• Reading and interpreting OBD scanner data
• Engine management system basics
• Sensor and actuator functions in modern vehicles
• Emission control and diagnostic monitoring systems
• Fuel system and ignition system diagnostics
• CAN bus communication in automotive electronics
• Identifying vehicle performance issues using diagnostics
• Fault detection and troubleshooting techniques
• Introduction to automotive electronic systems
• Best practices in vehicle diagnostics and maintenance

By the end of this course, you will be able to:

• Understand the principles of automotive engineering onboard diagnostics
• Explain how OBD and ECU systems work in modern vehicles
• Interpret diagnostic trouble codes (DTCs) effectively
• Use OBD scanning data for fault identification
• Understand key automotive electronic systems and components
• Recognise engine and emission-related faults
• Apply basic diagnostic troubleshooting techniques
• Understand vehicle communication systems such as CAN bus
• Improve problem-solving in automotive fault diagnosis
• Support vehicle maintenance and repair decisions
• Build foundational knowledge for automotive technician roles
• Receive a CPD-accredited certificate for career development

By completing this Automotive Engineering Onboard Diagnostics course, you will develop valuable industry-relevant skills, including:

• Vehicle diagnostics and fault detection
• OBD system interpretation
• ECU analysis and understanding
• Diagnostic trouble code reading (DTC interpretation)
• Automotive electronics fundamentals
• Engine system analysis
• Fault troubleshooting techniques
• Sensor and actuator diagnostics
• Emission system understanding
• CAN bus communication awareness
• Automotive problem-solving skills
• Technical interpretation of vehicle data
• Mechanical and electronic system awareness
• Diagnostic tool usage knowledge
• Automotive engineering fundamentals

These skills are highly valuable across UK automotive workshops, dealerships, fleet maintenance organisations, and vehicle diagnostic centres.

This course is ideal for:

• Beginners interested in automotive engineering
• Aspiring automotive technicians and mechanics
• Vehicle diagnostics learners
• Garage and workshop staff
• Automotive students in the UK
• Career changers entering the automotive sector
• Fleet maintenance staff
• Individuals interested in OBD systems and ECU diagnostics
• Anyone wanting to understand modern vehicle electronics
• Professionals seeking CPD automotive training

No prior experience is required.

• Gain a CPD-accredited automotive diagnostics qualification in the UK
• Learn practical onboard diagnostics (OBD-II) system knowledge
• Understand ECU systems and vehicle fault detection
• Study online at your own pace from anywhere
• Improve employability in the UK automotive sector
• Develop in-demand vehicle diagnostics skills
• Build a strong foundation for automotive engineering careers
• Learn how modern vehicles detect and report faults
• Strengthen technical understanding of automotive electronics
• Enhance career opportunities in garages, dealerships, and workshops

The assessment is straightforward; you need to complete the assignment questions that will be provided to you at the end of this  course, you can complete the assignment anytime you want. After you complete and submit your assignment, our tutors will assess your assignment and give you feedback if needed. 

After your assignment has been assessed and you have passed, you will be qualified and will be able to apply for a course completion certificate.

Upon completing the course and passing the final assessment, you will be eligible to receive a CPD QS Accredited Certificate from The Teachers Training, which demonstrates your professional knowledge and career readiness. You can select your preferred certificate option at discounted rates, with the Digital CPD Certificate (PDF) available for only £6.99, the Printed Hardcopy Certificate for only £9.99, or both the Digital and Printed Certificates together for just £11.99. This certification will significantly strengthen your CV and enhance your credibility within the education sector. Please note that discounted certificate pricing is available for a limited time only, so be sure to secure your certificate before the offer ends.