| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 739 |
| Windscreen wiper does not clear the windscreen effectively | 519 |
| Registration plate issues | 276 |
| Windscreen washer not working | 103 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 71 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 48 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 31 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 29 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 27 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 23 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Offside Front Road wheel fractured (5.2.2 (a)) | 20 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 20 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 20 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Registration plate lamp issues | 13 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Brakes imbalanced across an axle | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Front Road wheel badly distorted (5.2.2 (c) (i)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 9 |