| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 997 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 306 |
| Windscreen wiper does not clear the windscreen effectively | 254 |
| Registration plate issues | 141 |
| Registration plate lamp issues | 137 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 96 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 72 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 70 |
| Windscreen washer not working | 68 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 68 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 64 |
| Nearside Front Shock absorbers has a serious fluid leak | 57 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 57 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Offside Front Shock absorbers has a serious fluid leak | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 36 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 25 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 25 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 20 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Horn not working (7.7 (a)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Offside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Brake pipe excessively corroded | 13 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 11 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Power steering pump leaking (2.1.5 (a)) | 11 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 10 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |