| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1148 |
| Registration plate lamp issues | 541 |
| Headlamp aim out of alignment | 527 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 288 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 272 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 272 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 266 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 114 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 114 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 111 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 96 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 66 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 61 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 46 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 39 |
| Nearside Rear Shock absorbers has a serious fluid leak | 38 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 37 |
| Offside Rear Shock absorbers has a serious fluid leak | 35 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 32 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 32 |
| Registration plate issues | 31 |
| Windscreen washer not working | 29 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 26 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 25 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 19 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 19 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 18 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 17 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 14 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 13 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 13 |
| Brakes imbalanced across an axle | 12 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 12 |
| Offside Front Headlamp aim not tested (4.1.2 (b)) | 12 |