| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 181 |
| Headlamp aim out of alignment | 47 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 34 |
| Registration plate lamp issues | 33 |
| Registration plate issues | 18 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 14 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Brakes imbalanced across an axle | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Windscreen washer not working | 4 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 3 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Emissions unable to be completed (8.2.2.2 (e)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 2 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 2 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |