| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2507 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 774 |
| Windscreen wiper does not clear the windscreen effectively | 656 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 605 |
| Windscreen washer not working | 596 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 583 |
| Horn not working (7.7 (a)) | 497 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 411 |
| Registration plate issues | 322 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 241 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 215 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 206 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 206 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 154 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 148 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 146 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 141 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 135 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 133 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 119 |
| Horn not working (7.7 (a) (ii)) | 116 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 115 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 112 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 104 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 104 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 100 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 86 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 85 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 83 |
| Offside Rear Shock absorbers has a serious fluid leak | 79 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 77 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 74 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 74 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 71 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 70 |
| Registration plate lamp issues | 66 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 64 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 63 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 61 |
| Rear brake disc in such a condition that it is seriously weakened | 61 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 60 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 60 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 59 |
| Nearside Rear Shock absorbers has a serious fluid leak | 59 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 55 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 53 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 50 |
| Brakes imbalanced across an axle | 50 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 48 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 45 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 45 |