| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 152 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 140 |
| Headlamp aim out of alignment | 119 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 60 |
| Registration plate issues | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Windscreen washer not working | 6 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Brake performance unable to be tested (1.2.1 (g)) | 5 |
| Brakes imbalanced across an axle | 5 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 3 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |