| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 317 |
| Windscreen wiper does not clear the windscreen effectively | 304 |
| Registration plate issues | 77 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 40 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Brake pipe excessively corroded | 31 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Windscreen washer not working | 23 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 19 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Offside Rear Shock absorbers has a serious fluid leak | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Brakes imbalanced across an axle | 9 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 9 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Nearside Rear Shock absorbers has a serious fluid leak | 6 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Front Shock absorbers has a serious fluid leak | 5 |
| Windscreen has damage | 5 |
| Registration plate lamp issues | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 5 |
| Offside Front Shock absorbers has a serious fluid leak | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 4 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 4 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |