| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 162 |
| Headlamp aim out of alignment | 52 |
| Brake pipe excessively corroded | 21 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 12 |
| Registration plate lamp issues | 12 |
| Registration plate issues | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 9 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 7 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Windscreen washer not working | 6 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 4 |
| Brakes imbalanced across an axle | 4 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Electronic stability control switch not functioning correctly (7.12 (d)) | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Offside Front Shock absorbers has a serious fluid leak | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Front Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Central Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Front Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |