| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1313 |
| Headlamp aim out of alignment | 1202 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 317 |
| Registration plate lamp issues | 279 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 209 |
| Windscreen washer not working | 195 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 190 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 185 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 149 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 124 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 112 |
| Registration plate issues | 105 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 73 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 72 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 68 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 64 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 63 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 55 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 39 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 37 |
| Horn not working (7.7 (a)) | 36 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Brakes imbalanced across an axle | 32 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 32 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 30 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 30 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 26 |
| Nearside Rear Shock absorbers has a serious fluid leak | 26 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 24 |
| Rear brake disc in such a condition that it is seriously weakened | 24 |
| Nearside Front fog lamp not working (4.5.1 (a) (ii)) | 24 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 23 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 21 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 21 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 20 |
| Horn not working (7.7 (a) (ii)) | 20 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Brake hydraulic reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 19 |
| Offside Rear Shock absorbers has a serious fluid leak | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 17 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 17 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |