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Vehicle Diagnostics

Free Online

Vehicle Diagnostics Courses and Certifications

Learn Vehicle Diagnostics, earn certificates with free online courses from University of Northwestern Ohio, Liaoning Vocational University of Technology, Hebei Normal University and other top universities around the world. Read reviews to decide if a class is right for you.

190 courses

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Chongqing Vocational Institute of Engineering
Electronic Control Technology for Automotive Chassis

Learn how automotive chassis electronic control systems work and are overhauled, including automatic transmissions, suspension, steering, and safety systems.
- XuetangX
- Self-Paced
- Free Online Course
Chongqing Vocational Institute of Engineering
การดูแลรักษาระบบไฟฟ้ารถยนต์ในส่วนประกอบวงจร（汽车电气设备构造与检修）

Discover essential automotive electrical maintenance skills, from basic diagnostics to advanced troubleshooting of vehicle systems including starting, lighting, instrumentation, and auxiliary components.
- XuetangX
- Self-Paced
- Free Online Course
Vocational : Automotive Services Technician (Four-Wheeler)

Train as a four-wheeler service technician through vehicle systems, fault diagnosis, repairs, and practical workshop skills.
- Swayam
- 24 weeks
- Available until Sep 30, 2026
- Free Online Course
Automotive Appraisal and Evaluation

Appraise used vehicles: inspect technical condition statically and dynamically, calculate depreciation and residual value rates, apply replacement cost and market price valuation, and assess accident damage.
- XuetangX
- Self-Paced
- Free Online Course
Maintenance of New Energy Vehicles

Practical training in safely maintaining and diagnosing new energy vehicles, from high-voltage systems and batteries to motors, chassis, and climate control.
- XuetangX
- Self-Paced
- Free Online Course
The Operation and Maintenance of Tractors

Learn practical tractor operation, maintenance, and fault diagnosis for modern agricultural production.
- XuetangX
- Self-Paced
- Free Online Course
CHASSIS INSPECTION AND MAINTENANCE

Learn to inspect, diagnose, disassemble, adjust, and maintain automotive chassis systems, including transmissions, suspension, brakes, steering, and wheel alignment.
- XuetangX
- Self-Paced
- Free Online Course
Vehicle Maintenace And Caer

Learn practical vehicle maintenance and care, from tire and brake service to engine, electrical, air-conditioning, and chassis inspections.
- XuetangX
- Self-Paced
- Free Online Course
South Main Auto Repair LLC
Chevy Traverse - Diagnosing a Non-Functioning Check Engine Light

Diagnose and troubleshoot a Chevy Traverse's malfunctioning check engine light. Learn diagnostic techniques and potential causes for this unusual automotive issue.
- YouTube
- 35 minutes
- Self-Paced
- Free Video
South Main Auto Repair LLC
Chevy Traverse Diagnosis - Multiple Warning Lights and Performance Issues

Diagnose and repair a Chevy Traverse with multiple dashboard lights, acceleration issues, and braking problems. Learn troubleshooting techniques for complex automotive electrical systems.
- YouTube
- 25 minutes
- Self-Paced
- Free Video
ChrisFix
How to Perfectly Maintain Your First Car - Complete Guide

Comprehensive guide to maintaining your first car, covering essential tasks from oil changes to brake repairs. Learn to enhance performance, ensure safety, and save money through DIY maintenance.
- YouTube
- 57 minutes
- Self-Paced
- Free Video
South Main Auto Repair LLC
Buick Encore - No Fuel Gauge and Engine Light Diagnosis

Diagnostic walkthrough of a 2019 Buick Encore with fuel gauge and engine light issues using Harbor Freight tools and service information.
- YouTube
- 33 minutes
- Self-Paced
- Free Video
South Main Auto Repair LLC
Ford F250 ABS Module Diagnosis and Repair - Avoiding an $800 Mistake

Mechanic diagnoses Ford F250's "Service Advance Trac" issue, saving customer $800 by avoiding unnecessary ABS module replacement. Demonstrates proper diagnostic process and importance of second opinions.
- YouTube
- 42 minutes
- Self-Paced
- Free Video
South Main Auto Repair LLC
Honda Civic Missing Cam Signal Diagnosis - Sensors Replaced

Troubleshooting a 2018 Honda Civic's persistent cam sensor codes P0340 and P0344, exploring potential causes beyond sensor replacement and demonstrating advanced diagnostic techniques.
- YouTube
- 53 minutes
- Self-Paced
- Free Video
South Main Auto Repair LLC
2018 Dodge Ram Hemi - Check Engine Light and Cruise Control Issues

Troubleshooting a 2018 Dodge Ram's check engine light and cruise control issues, including diagnostic steps, visual inspections, and potential EVAP leak detection.
- YouTube
- 35 minutes
- Self-Paced
- Free Video

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