| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1204 |
| Headlamp aim out of alignment | 525 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 229 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 186 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 171 |
| Brake pipe excessively corroded | 147 |
| Registration plate issues | 124 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 105 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 90 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 90 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 81 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 73 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 71 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 70 |
| Registration plate lamp issues | 63 |
| Rear brake disc in such a condition that it is seriously weakened | 54 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 53 |
| Windscreen washer not working | 49 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 49 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 49 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 49 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 47 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 45 |
| Rear brake binding | 43 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 40 |
| Brakes imbalanced across an axle | 39 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 38 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 37 |
| Front brake disc in such a condition that it is seriously weakened | 34 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 33 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 33 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 27 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 27 |
| Windscreen has damage | 26 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 26 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 26 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 25 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 21 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 21 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 21 |
| Offside Front Shock absorbers has a serious fluid leak | 20 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 20 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 19 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 19 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 18 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 17 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 17 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 17 |