During a pre-trip inspection, which tire condition would most likely cause a vehicle to be placed out of service?

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AMinor sidewall weather checking
BValve stem caps missing
CTire pressure 5 PSI above recommendation
DTread depth below 2/32 inch on steering tires

✓ Correct answer: D. Tread depth below 2/32 inch on steering tires Tread depth below 2/32 inch on steering tires is a critical safety violation that would place a commercial vehicle out of service, as it significantly increases the risk of blowouts and loss of vehicle control.

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During a pre-trip inspection, which tire condition would most likely cause a vehicle to be placed out of service?

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