| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 211 |
| Windscreen wiper does not clear the windscreen effectively | 173 |
| Headlamp aim out of alignment | 159 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 43 |
| Registration plate issues | 30 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 19 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Brakes imbalanced across an axle | 7 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 6 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Offside Side repeater not working |1.4.A.2c| | 5 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 5 |
| Position lamp not working |4.2.1 |a|| | 5 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 5 |
| Windscreen washer not working | 5 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |