| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 995 |
| Headlamp aim out of alignment | 447 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 84 |
| Registration plate lamp issues | 80 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 59 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 59 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 54 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 44 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 41 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 34 |
| Registration plate issues | 32 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 27 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 25 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 22 |
| Brakes imbalanced across an axle | 21 |
| Windscreen washer not working | 21 |
| Nearside Front Shock absorbers has a serious fluid leak | 21 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 18 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 16 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 14 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Nearside Rear Shock absorbers has a serious fluid leak | 12 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 11 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 10 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 9 |
| Offside Front Shock absorbers has a serious fluid leak | 9 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |