| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1776 |
| Headlamp aim out of alignment | 834 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 330 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 152 |
| Registration plate issues | 124 |
| Windscreen washer not working | 87 |
| Rear brake disc in such a condition that it is seriously weakened | 60 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 60 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 53 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 47 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 46 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 42 |
| Nearside Rear Shock absorbers has a serious fluid leak | 41 |
| Offside Rear Shock absorbers has a serious fluid leak | 38 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 38 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 36 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 36 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 34 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 34 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 32 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 32 |
| Brakes imbalanced across an axle | 31 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 30 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 26 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 24 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 23 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Registration plate lamp issues | 20 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 20 |
| Brake performance not tested (1.2.1 (g)) | 20 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 16 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 16 |