| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 2 |
| Brake pipe excessively corroded | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel rear axle (1.2.1 (a) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Nearside Rear An item not tested |Manual| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Lower Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Lower Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Rear Lower Parking brake recording little or no effort |3.7.D.3a| | 1 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |