In this essential e-learning course, CDL drivers will acquire the skills and knowledge necessary to identify, diagnose, and respond to semi-truck malfunctions before they escalate into serious problems. From engine issues to electrical failures, this course breaks down how each major system works and how to spot early warning signs that could prevent costly breakdowns or dangerous incidents.

What You’ll Learn:

• How key semi-truck systems operate and interact
• How to detect common mechanical issues early
• How to use diagnostic tools like scan readers, multimeters, and visual checks
• Best practices for handling breakdowns safely on the road
• How to document and communicate mechanical issues to dispatch and maintenance teams

You’ll also explore how to recognize dashboard warning signs, understand critical smells and sounds, and navigate diagnostics in extreme weather conditions. Real-world scenarios and expert Q&A sessions help reinforce the importance of proactive maintenance and effective communication in protecting lives, cargo, and the company’s reputation.

Whether you’re a new driver or experienced behind the wheel, this course equips you to stay safe, compliant, and confident when mechanical problems arise.