| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 256 |
| Windscreen wiper does not clear the windscreen effectively | 89 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 84 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 29 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 25 |
| Windscreen washer not working | 23 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Registration plate issues | 17 |
| Nearside Rear Shock absorbers has a serious fluid leak | 16 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 14 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 11 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 10 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 9 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Brakes imbalanced across an axle | 7 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Exhaust emissions exceed manufacturers specified limit 0.52 (8.2.2.2 (a)) | 7 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 6 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 5 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Offside Headlamp insecure (4.1.1 (c)) | 4 |
| Nearside Headlamp insecure (4.1.1 (c)) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Emissions not tested (8.2.2.2 (e)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Headlamp aim not tested (4.1.2 (b)) | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Offside Rear Suspension arm pin or bush excessively worn axle bush (5.3.4 (a) (i)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Offside Front fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 3 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 3 |