| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 145 |
| Registration plate issues | 135 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 56 |
| Windscreen wiper does not clear the windscreen effectively | 43 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 30 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Registration plate lamp issues | 25 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Windscreen washer not working | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 6 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Nearside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 4 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Brake pipe excessively corroded | 3 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Nearside Daytime running lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Daytime running lamp not working (4.2.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 3 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 3 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 3 |