| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1276 |
| Windscreen wiper does not clear the windscreen effectively | 250 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 246 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 243 |
| Windscreen washer not working | 230 |
| Horn not working (7.7 (a)) | 213 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 199 |
| Registration plate issues | 163 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 139 |
| Horn not working (7.7 (a) (ii)) | 116 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 93 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 66 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 62 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 62 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 54 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 48 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 46 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 45 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 40 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 39 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 38 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 35 |
| Offside Rear Shock absorbers has a serious fluid leak | 34 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 34 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 34 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 33 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Registration plate lamp issues | 27 |
| Nearside Rear Shock absorbers has a serious fluid leak | 26 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 25 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 24 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 22 |
| Brakes imbalanced across an axle | 22 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 21 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 21 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Offside Rear Rear fog lamp lens defective such that emitted light is adversely affected (4.5.1 (b) (ii)) | 18 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 17 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 17 |