| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 272 |
| Headlamp aim out of alignment | 186 |
| Windscreen washer not working | 54 |
| Registration plate issues | 52 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 34 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 27 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 16 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 13 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 13 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Horn not working (7.7 (a)) | 12 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 10 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Reversing lamp inoperative (4.6.1 (a)) | 9 |
| Brakes imbalanced across an axle | 8 |
| Offside Front Shock absorbers has a serious fluid leak | 8 |
| Nearside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 7 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 7 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 6 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Registration plate lamp issues | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 4 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Brake performance unable to be tested (1.2.1 (g)) | 4 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |