| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1396 |
| Windscreen wiper does not clear the windscreen effectively | 1078 |
| Headlamp aim out of alignment | 620 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 231 |
| Registration plate issues | 222 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 218 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 197 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 197 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 144 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 66 |
| Parking brake lever has no reserve travel |3.1.6b| | 65 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 63 |
| Brake pipe excessively corroded | 55 |
| Horn not working (7.7 (a)) | 53 |
| Offside Rear Shock absorbers has a serious fluid leak | 49 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 49 |
| Windscreen washer not working | 48 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 47 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 45 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 44 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 43 |
| Reversing lamp inoperative (4.6.1 (a)) | 43 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 40 |
| Nearside Rear Shock absorbers has a serious fluid leak | 39 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 35 |
| Brakes imbalanced across an axle | 35 |
| Rear brake disc in such a condition that it is seriously weakened | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 31 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 31 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 30 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 30 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 29 |
| Parking brake: efficiency below requirements |3.7.B.7| | 29 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 27 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 27 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 26 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 24 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Horn not working (7.7 (a) (ii)) | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 22 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 21 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 18 |
| Offside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 18 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 18 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Windscreen has damage | 17 |