GM Study Guide 2026
Everything you need to pass the GM exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 GM Exam Format at a Glance
📚 GM Topics to Study (37)
✍️ Sample GM Questions & Answers
1. A GM technician performs a leak test on an AC system using which preferred method per current GM service procedures?
GM recommends using an electronic refrigerant leak detector or ultraviolet dye with a UV lamp to precisely locate leaks, as these methods can detect small leaks accurately.
2. What is the significance of documentation in Transmission and Drivetrain?
Proper documentation supports accountability, enables quality review, and satisfies legal requirements.
3. What are the key regulatory requirements affecting Diagnostic Technology?
Practitioners must comply with all applicable regulations, which may include federal, state, and industry-specific requirements.
4. When ordering a replacement transmission control module through GM's GlobalConnect system, what information is mandatory to ensure the correct approved part is sourced?
The VIN, RPO codes, and current calibration level ensure the correct approved part version is ordered for that specific vehicle configuration.
5. Under GM's Courtesy Transportation Program, which of the following is the dealer's primary responsibility?
Authorized dealers must maintain courtesy transportation vehicles in safe, presentable condition per GM guidelines.
6. What additional benefit often comes with a GM Approved Pre-Owned vehicle?
A significant additional benefit that often comes with a GM Approved Pre-Owned vehicle is extended warranty coverage. This warranty provides an extra layer of protection beyond any remaining factory warranty, covering major components and offering peace of mind to the buyer. It's a key differentiator that adds value and reduces potential ownership risks compared to standard used cars.