| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 138 |
| Windscreen wiper does not clear the windscreen effectively | 130 |
| Registration plate issues | 33 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 16 |
| Windscreen washer not working | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Brake performance unable to be tested (1.2.1 (g)) | 7 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 6 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Brakes imbalanced across an axle | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Rear Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii)) | 4 |
| Rear fog lamp lens defective such that emitted light is adversely affected (4.5.1 (b) (ii)) | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 3 |
| Nearside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Rear Rear fog lamp lens defective such that emitted light is adversely affected (4.5.1 (b) (ii)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 3 |