| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 181 |
| Headlamp aim out of alignment | 87 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 82 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 34 |
| Registration plate issues | 9 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 5 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Road wheel fractured (5.2.2 (a)) | 4 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Windscreen washer not working | 2 |
| Fuel system component leaking Fuel filter housing (6.1.3 (b) (i)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Fuel system component leaking fuel filter (6.1.3 (b) (i)) | 2 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Horn not working (7.7 (a)) | 2 |