CVSA Tire Out-of-Service Violations

Drivers should think of CVSA tire OOS criteria as the roadside reality check. If a tire is visibly unsafe, leaking, badly worn, or structurally damaged, it can stop the trip immediately.

Fleet teams should track OOS tire defects separately from ordinary shop defects because OOS events create disruption, lost time, service-call cost, and often repeat enforcement attention.

The CVSA Out-of-Service Criteria is not a suggestion list. It is the inspection pass-fail benchmark used by certified inspectors. If the tire condition crosses that line, the truck or affected unit can be placed out of service until the problem is corrected.

For drivers, the difference matters because a tire problem that felt manageable at the terminal can become a trip-ending problem on the shoulder or at a weigh station. For fleets, it means the real cost is often bigger than the tire itself.

A routine tire issue may still allow the truck to finish a controlled service interval. An OOS tire defect does not. It often produces unplanned roadside service, shipment risk, and wasted driver hours in addition to the inspection event.

That is why fleets should classify tire findings by severity and train drivers on the obvious OOS triggers. Doing that well usually improves both uptime and CSA performance.

The federal regulation explains the condition requirements. CVSA’s OOSC explains the pass-fail enforcement standard inspectors apply in the field. You need both if you want a realistic roadside-compliance program.

Use this page with the FMCSA 393.75 guide, the pre-trip checklist, and the roadside inspection checklist to close the gap between written rules and what happens during enforcement.