| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 854 |
| Headlamp aim out of alignment | 448 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 63 |
| Windscreen washer not working | 57 |
| Registration plate lamp issues | 48 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 34 |
| Registration plate issues | 34 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 27 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 25 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Rear brake disc in such a condition that it is seriously weakened | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 19 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 17 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 12 |
| Reversing lamp inoperative (4.6.1 (a)) | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 11 |
| Electronic braking system warning device indicates a fault (1.7 (b)) | 11 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 10 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 7 |
| Brakes imbalanced across an axle | 7 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Side repeater with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 6 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 6 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |