| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 448 |
| Headlamp aim out of alignment | 143 |
| Windscreen washer not working | 43 |
| Registration plate issues | 21 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Registration plate lamp issues | 12 |
| Brakes imbalanced across an axle | 10 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 9 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Nearside Daytime running lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Rear Shock absorbers has a serious fluid leak | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Offside Daytime running lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |