| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 313 |
| Registration plate lamp issues | 281 |
| Headlamp aim out of alignment | 168 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 69 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 51 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 35 |
| Registration plate issues | 31 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Brakes imbalanced across an axle | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Offside Front Position lamp not working |4.2.1 |a|| | 20 |
| Anti-lock braking system warning lamp indicates an ABS fault | 20 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 19 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Side repeater not working |1.4.A.2c| | 14 |
| Battery insecure |1.9.1| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside Side repeater not working |1.4.A.2c| | 11 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 10 |
| Nearside Rear Shock absorbers has a serious fluid leak | 10 |
| Rear brake binding | 9 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 8 |
| Offside Rear Shock absorbers has a serious fluid leak | 8 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Rear Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 7 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 6 |
| Offside Front Direction indicator not working |1.4.A.2c| | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 5 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 5 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 5 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 5 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 5 |