| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3258 |
| Headlamp aim out of alignment | 2211 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 860 |
| Registration plate lamp issues | 784 |
| Windscreen washer not working | 529 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 499 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 476 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 425 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 398 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 326 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 321 |
| Registration plate issues | 223 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 222 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 220 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 201 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 200 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 177 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 144 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 118 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 108 |
| Horn not working (7.7 (a)) | 101 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 97 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 94 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 92 |
| Brakes imbalanced across an axle | 90 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 90 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 83 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 82 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 80 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 77 |
| Rear brake disc in such a condition that it is seriously weakened | 77 |
| Nearside Front fog lamp not working (4.5.1 (a) (ii)) | 72 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 70 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 62 |
| Nearside Rear Shock absorbers has a serious fluid leak | 61 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 61 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 60 |
| Offside Rear Shock absorbers has a serious fluid leak | 60 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 59 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 59 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 58 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 57 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 56 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 55 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 51 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 50 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 42 |
| Front brake disc in such a condition that it is seriously weakened | 42 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 41 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 40 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 40 |