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Class 4 Commercial Driver Practice · Question

If a driver discovers a 'Major Defect' during a pre-trip inspection, what action must be taken?

A 'Class A' or 'Major' defect in most provincial inspection standards includes a significant leak or failure of a safety system, necessitating that the vehicle

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Question: If a driver discovers a 'Major Defect' during a pre-trip inspection, what action must be taken?

Answer options: ✅ The vehicle must not be driven until the defect is repaired

  • Detailed notes must be made and the repair completed within 48 hours
  • The driver can finish the current shift but must report it after
  • The driver should drive slowly to the nearest repair facility immediately

Correct answer: The vehicle must not be driven until the defect is repaired

Explanation: A 'Class A' or 'Major' defect in most provincial inspection standards includes a significant leak or failure of a safety system, necessitating that the vehicle be placed 'Out of Service' immediately.

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