| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 558 |
| Windscreen wiper does not clear the windscreen effectively | 349 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 245 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 223 |
| Registration plate lamp issues | 222 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 221 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 141 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 130 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 114 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 108 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 105 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 79 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 78 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 77 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 69 |
| Windscreen washer not working | 67 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 45 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 40 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 23 |
| Registration plate issues | 21 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Brakes imbalanced across an axle | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 11 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 10 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 9 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 8 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 7 |
| Headlamp aim not tested (4.1.2 (b)) | 7 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 7 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 7 |
| Offside Headlamp levelling device inoperative (4.1.5 (a)) | 7 |
| Offside Front Headlamp levelling device inoperative (4.1.5 (a)) | 7 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |