| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 769 |
| Windscreen wiper does not clear the windscreen effectively | 394 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 307 |
| Registration plate issues | 216 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 125 |
| Windscreen washer not working | 99 |
| Nearside Rear Shock absorbers has a serious fluid leak | 76 |
| Offside Rear Shock absorbers has a serious fluid leak | 68 |
| Nearside Front Shock absorbers has a serious fluid leak | 63 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 63 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 61 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 59 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 58 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 42 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 34 |
| Offside Front Shock absorbers has a serious fluid leak | 29 |
| Offside Rear Road wheel fractured (5.2.2 (a)) | 28 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 26 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 22 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 22 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 21 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 19 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Brakes imbalanced across an axle | 19 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 19 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 18 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 15 |
| Central Rear Seat belt buckle missing (7.1.2 (d)) | 14 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Electronic braking system warning device indicates a fault (1.7 (b)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 14 |
| Nearside Rear Inner Road wheel fractured (5.2.2 (a)) | 13 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 13 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 13 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 13 |