| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 791 |
| Headlamp aim out of alignment | 629 |
| Windscreen wiper does not clear the windscreen effectively | 125 |
| Headlamp aim out of alignment | 73 |
| Horn not working (7.7 (a)) | 65 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 61 |
| Registration plate lamp issues | 58 |
| Windscreen washer not working | 55 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 46 |
| Horn not working (7.7 (a) (ii)) | 46 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 45 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 39 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Registration plate issues | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 21 |
| Brakes imbalanced across an axle | 20 |
| Registration plate lamp issues | 20 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Horn not working |7.7 |a| |ii|| | 15 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Horn not working (7.7 (a)) | 12 |
| Windscreen washer not working | 11 |
| Nearside Side repeater not working |1.4.A.2c| | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 10 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Horn not working |1.6.2a| | 9 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |