| Most common failures | No# failures |
|---|
| Rear brake binding | 4 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 2 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front brake disc excessively scored |3.5.1h| | 1 |
| Front brake disc has restricted free movement |3.5.1j| | 1 |
| Offside Rear brake disc has restricted free movement |3.5.1j| | 1 |
| Offside Rear Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Horn not working |1.6.2a| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Position lamp missing front both sides (greater than 1300mm in width) (4.2.1 (a) (ii)) | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Brake lever has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Front brake application uneven | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Rear Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Indicator switch faulty sticking |1.4.A.1| | 1 |
| Nearside Rear Brake performance not tested |3.7.A.1| | 1 |
| Offside Rear Brake performance not tested |3.7.A.1| | 1 |
| Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Rear brake application uneven | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |