Condition: has a cut in excess of the requirements deep enough to reach the ply or cords

This was recorded 576,561 times on cars and light vans in 2025, which makes it number 11 on the list of things that stop a car passing.

576,561recorded in 2025
11on the national list
2.8%of the top forty defects

What the tester is looking at

A tyre seriously damaged

What you can do about it

This covers general wear. A service between MOTs is the easiest way to catch it early.

How serious it counts as

The tester records this as a major defect. What the categories mean.

Other things checked on the condition

All forty defects, from 42,728,066 MOT tests in 2025.