mechanics.tradeStop lamp: not working
This was recorded 682,330 times on cars and light vans in 2025, which makes it number 9 on the list of things that stop a car passing.
682,330recorded in 2025
9on the national list
3.3%of the top forty defects
What the tester is looking at
Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
How serious it counts as
The tester records this as a major defect. What the categories mean.
All forty defects, from 42,728,066 MOT tests in 2025.