| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3083 |
| Headlamp aim out of alignment | 2657 |
| Registration plate lamp issues | 1455 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 678 |
| Windscreen washer not working | 575 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 479 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 470 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 448 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 434 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 414 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 341 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 341 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 286 |
| Registration plate issues | 281 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 223 |
| Horn not working (7.7 (a)) | 216 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 208 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 192 |
| Brakes imbalanced across an axle | 184 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 178 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 175 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 169 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 158 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 146 |
| Rear brake disc in such a condition that it is seriously weakened | 146 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 135 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 135 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 120 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 120 |
| Reversing lamp inoperative (4.6.1 (a)) | 117 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 112 |
| Nearside Rear Shock absorbers has a serious fluid leak | 112 |
| Offside Rear Shock absorbers has a serious fluid leak | 111 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 110 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 107 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 107 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 104 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 101 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 100 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 99 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 97 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 96 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 93 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 92 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 90 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 80 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 79 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 78 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 76 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 75 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 69 |
| Front brake disc in such a condition that it is seriously weakened | 69 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 64 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 63 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 60 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 59 |
| Horn not working (7.7 (a) (ii)) | 56 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 53 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 53 |