| Most common failures | No# failures |
|---|
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 229 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 210 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 150 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 135 |
| Headlamp aim out of alignment | 129 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 100 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 83 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 58 |
| Windscreen wiper does not clear the windscreen effectively | 51 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 50 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 49 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 44 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 40 |
| Windscreen washer not working | 39 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 38 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 36 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Registration plate issues | 32 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 31 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 31 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Brakes imbalanced across an axle | 27 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 24 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 21 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Reversing lamp inoperative (4.6.1 (a)) | 15 |
| Registration plate lamp issues | 14 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 13 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 8 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 7 |
| Nearside Stop lamp(s) emits other than a steady red light (4.3.3 (a) (ii)) | 7 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 7 |
| Offside Stop lamp(s) emits other than a steady red light (4.3.3 (a) (ii)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Headlamp insecure (4.1.1 (c)) | 6 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Front Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 5 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 5 |
| Offside Front Upper Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 5 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 5 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Rear Stop lamp(s) emits other than a steady red light (4.3.3 (a) (ii)) | 5 |
| Nearside Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Lower Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 5 |
| Nearside Front Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 5 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |