Automotive Service Technician (310S)
Diagnose, repair, and maintain engines, drivetrains, brakes, and electrical systems in light vehicles.
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A Red Seal endorsement is a seal on your provincial or territorial trade certificate. It shows you have the knowledge and skills to practice your trade across Canada — earned by passing the interprovincial Red Seal exam.
What this trade covers
Diagnose, repair, and maintain engines, drivetrains, brakes, and electrical systems in light vehicles.
Exam format
- • 120 multiple-choice questions
- • 4-hour time limit
- • 70% required to pass
- • Closed-book
- • 125 questions, 4 hours, 70% to pass
- • Questions align with the Red Seal Occupational Standard (RSOS)
Exam blueprint (RSOS)
Questions are distributed across major work activities defined in the Red Seal Occupational Standard — the same breakdown used on the official exam.
Performs Common Occupational Skills
Diagnoses and repairs engine and engine support systems
Diagnoses and repairs vehicle module communications systems
Diagnoses and repairs driveline systems
Diagnoses and repairs electrical and comfort control systems
Diagnoses and repairs steering and suspension, braking, control systems, tires, hubs and wheel bearings
Diagnoses and repairs restraint systems, body components, accessories and trim
Diagnoses and repairs hybrid and electric vehicles (EV) systems
Official Red Seal resources
Source material from the Red Seal Program — administered by the Canadian Council of Directors of Apprenticeship (CCDA).