| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Registration plate lamp issues | 4 |
| Brakes imbalanced across an axle | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Rear parking brake recording little or no effort | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Brake hose leaking |3.6.A.1| | 1 |
| Rear Brake hose leaking |3.6.A.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Drivers seat moving inadvertently (6.2.5 (b) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Rear Brake hose leaking |3.6.A.1| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear brake binding | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Rear Drag link end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Stub axle has excessive vertical movement between stub axle and axle beam (5.1.2 (c) (i)) | 1 |
| Nearside Rear Brake drum contaminated (1.1.14 (b)) | 1 |
| Nearside Rear Brake lining(s) contaminated (1.1.13 (b)) | 1 |
| Nearside Battery insecure |1.9.1| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Rear Halfshaft nut loose |4.2.B.3| | 1 |
| Offside Rear Halfshaft nut loose |4.2.B.3| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.6| | 1 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 1 |
| Offside Front Brake pipe leaking |3.6.A.1| | 1 |