| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 625 |
| Windscreen wiper does not clear the windscreen effectively | 486 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 369 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 178 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 162 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 155 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 146 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 137 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 81 |
| Windscreen washer not working | 79 |
| Registration plate lamp issues | 68 |
| Registration plate issues | 66 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 58 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 48 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 37 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 30 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 25 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 25 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 24 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 23 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Headlamp aim not tested (4.1.2 (b)) | 19 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 18 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 16 |
| Offside Rear Shock absorbers has a serious fluid leak | 16 |
| Brakes imbalanced across an axle | 14 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 14 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Offside Front Headlamp aim not tested (4.1.2 (b)) | 10 |
| Brake performance not tested (1.2.1 (g)) | 10 |
| Emissions not tested (8.2.2.2 (e)) | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Rear Shock absorbers has a serious fluid leak | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 9 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 9 |