| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1610 |
| Windscreen wiper does not clear the windscreen effectively | 1469 |
| Registration plate lamp issues | 637 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 313 |
| Windscreen washer not working | 284 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 246 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 235 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 213 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 202 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 188 |
| Registration plate issues | 149 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 132 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 126 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 115 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 112 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 107 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 107 |
| Brakes imbalanced across an axle | 98 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 94 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 91 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 86 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 81 |
| Rear brake disc in such a condition that it is seriously weakened | 75 |
| Horn not working (7.7 (a)) | 72 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 69 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 61 |
| Nearside Rear Shock absorbers has a serious fluid leak | 59 |
| Offside Rear Shock absorbers has a serious fluid leak | 58 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 57 |
| Horn not working (7.7 (a) (ii)) | 56 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 55 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 53 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 51 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 50 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 49 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 49 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 47 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 46 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 45 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 44 |
| Reversing lamp inoperative (4.6.1 (a)) | 43 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 43 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 40 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 40 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 38 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 37 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 37 |
| Front brake disc in such a condition that it is seriously weakened | 35 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 33 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 33 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Brake hydraulic reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 30 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 29 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 27 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |