Diesel Technician Online Certification Program | Diesel Technician Online Certification Program | TJC

Diesel Technician Online Certification Program

The Diesel Technician program from TJC provides students the entry-level skills required to start a career in automotive repair and maintenance. The program is delivered through an intensive hands-on lab approach allowing students to concentrate on practical skills education and execution. The students will become proficient in preventative maintenance and inspections by performing procedures in electrical, brakes, transmission, rear end, and brakes. This course is designed to prepare students to pursue the Automotive Service Excellence (ASE) Auto Maintenance and Light Repair (G1) Certification. Students are eligible for an optional externship with a local employer after successful course completion. To enroll today, click here: Enroll Now.

The Diesel Technician Profession

Diesel Technicians work in a variety of settings overseeing and improving the performance of modern diesel engines and commercial vehicles, as well as sophisticated heavy equipment systems with electronic functions and advanced computer controls. Employed by major trucking companies, delivery enterprises, municipal transit systems, and other transportation organizations, diesel technicians serve their customers with job titles such as Diesel Service Technician, Diesel Technician and Diesel Mechanic. 

Quick Facts

  • Tuition: $2,599.00
  • Register: Enroll Now
  • Contact: Call 888-574-6218

Educational Requirements

  • Students should have or be pursuing a high school diploma or GED
  • National certification is available for students who complete this course including Automotive Service Excellence (ASE) Auto Maintenance & Light Repair (Test G.1) 
  • State approval and/or state requirements associated with this program vary by state

Detailed Course Topics Covered

  • Explain the role of the automotive and diesel technician in the automotive industry 
  • Identify the parts of the vehicle 
  • Identify and correctly/safely use hand and shop tools, precision tools, and measuring tools used in vehicle diagnosis and repair 
  • Work in the auto shop environment in a safe manner complying with all rules, regulations, and standards 
  • Perform basic maintenance program tasks on vehicles per preventive maintenance schedules 
  • Perform basic electrical circuit calculations on vehicle electrical systems 
  • Verify battery performance and jump-start vehicles with a dead battery 
  • Perform basic troubleshooting and maintenance tasks on vehicle hydraulic systems 
  • Troubleshoot clutch for wear and damage 
  • Perform basic maintenance, troubleshooting, and repairs on vehicle transmission systems 
  • Remove and reinstall various components of rear and front-end drivetrain, axle, and steering and suspension systems 
  • Perform basic maintenance, troubleshooting, and repairs on wheels and tires 
  • Perform basic maintenance, troubleshooting, and repairs on vehicle braking systems 
  • Perform basic chassis frame maintenance and performance checks 
  • Inspect and service common types of fifth wheels and couplers 
  • Perform simple HVAC diagnoses procedures 
  • Perform basic engine system analysis and repair tasks 
  • Practice customer service in dealings with vehicle owners, vendors, and coworkers 

Each Course Includes:

  • 24/7 instructor support and course mentoring 
  • Student and instructor collaboration 
  • Engaging labs, student exercises, course videos, and animated simulations 
  • Student pre and post-assessments and online performance tracking 
  • National and state certification opportunities 
  • A secure Student Portal which includes: career guidance, resume writing, and other career resources 

How to Enroll

Enroll Now


To learn more about this program, contact us here or call 888-574-6218