| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 609 |
| Registration plate issues | 381 |
| Windscreen wiper does not clear the windscreen effectively | 246 |
| Windscreen washer not working | 72 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 53 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 52 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 41 |
| Offside Rear Road wheel fractured (5.2.2 (a)) | 35 |
| Horn not working (7.7 (a) (ii)) | 31 |
| Nearside Front Shock absorbers has a serious fluid leak | 31 |
| Horn not working (7.7 (a)) | 31 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 30 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 23 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 23 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 21 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 20 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 20 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 17 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 16 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Brakes imbalanced across an axle | 13 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 12 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 12 |
| Offside Front Shock absorbers has a serious fluid leak | 12 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Rear Shock absorbers has a serious fluid leak | 11 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 10 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Horn sound not in accordance with requirements (7.7 (c)) | 9 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Offside Rear Shock absorbers has a serious fluid leak | 9 |
| Nearside Rear Inner Road wheel fractured (5.2.2 (a)) | 8 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 8 |
| Electronic braking system warning device indicates a fault (1.7 (b)) | 8 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |