| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 238 |
| Headlamp aim out of alignment | 155 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 70 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 36 |
| Registration plate issues | 26 |
| Windscreen washer not working | 12 |
| Electronic parking brake control defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Brakes imbalanced across an axle | 9 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 6 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Brake performance unable to be tested (1.2.1 (g)) | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |