| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1005 |
| Windscreen wiper does not clear the windscreen effectively | 458 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 261 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 245 |
| Windscreen washer not working | 225 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 218 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 204 |
| Horn not working (7.7 (a)) | 176 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 161 |
| Registration plate issues | 146 |
| Registration plate lamp issues | 122 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 117 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 100 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 94 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 90 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 84 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 76 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 70 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 65 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 61 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 53 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 52 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 49 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 44 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 44 |
| Offside Rear Shock absorbers has a serious fluid leak | 41 |
| Nearside Rear Shock absorbers has a serious fluid leak | 40 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 40 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 38 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 36 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 32 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 32 |
| Brakes imbalanced across an axle | 31 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 30 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 30 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 29 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 28 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 28 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 27 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 23 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 23 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 22 |
| Horn not working (7.7 (a) (ii)) | 20 |
| Rear brake disc in such a condition that it is seriously weakened | 19 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 19 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 18 |