| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1813 |
| Windscreen wiper does not clear the windscreen effectively | 519 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 437 |
| Windscreen washer not working | 434 |
| Registration plate issues | 365 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 240 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 204 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 175 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 171 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 163 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 148 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 139 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 136 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 129 |
| Horn not working (7.7 (a)) | 123 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 107 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 96 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 82 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 81 |
| Registration plate lamp issues | 70 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 64 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 63 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 61 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 58 |
| Nearside Front Shock absorbers has a serious fluid leak | 53 |
| Brakes imbalanced across an axle | 52 |
| Front brake disc in such a condition that it is seriously weakened | 49 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 49 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 48 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 43 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 43 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 38 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 37 |
| Nearside Rear Shock absorbers has a serious fluid leak | 34 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 34 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 33 |
| Anti-lock braking system warning lamp indicates an ABS fault | 31 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 31 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 31 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 31 |
| Offside Front Shock absorbers has a serious fluid leak | 29 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Rear brake disc in such a condition that it is seriously weakened | 28 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 27 |
| Offside Front Seat belt not functioning as intended (7.1.2 (c)) | 27 |
| Horn not working (7.7 (a) (ii)) | 26 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 26 |