| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1430 |
| Windscreen wiper does not clear the windscreen effectively | 1330 |
| Registration plate issues | 882 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 567 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 230 |
| Front brake disc in such a condition that it is seriously weakened | 186 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 180 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 177 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 159 |
| Rear brake disc in such a condition that it is seriously weakened | 157 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 154 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 143 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 132 |
| Windscreen washer not working | 131 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 124 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 108 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 101 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 98 |
| Brake pipe excessively corroded | 85 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 83 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 80 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 79 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 70 |
| Registration plate lamp issues | 65 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 65 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 56 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 55 |
| Brake performance not tested (1.2.1 (g)) | 55 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 52 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 52 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 50 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 45 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 43 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 42 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 37 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Brakes imbalanced across an axle | 34 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 33 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 33 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 32 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 32 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 32 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 32 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 31 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 30 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 29 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 29 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 27 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 27 |