| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 496 |
| Headlamp aim out of alignment | 268 |
| Brake pipe excessively corroded | 56 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 54 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 20 |
| Windscreen washer not working | 19 |
| Registration plate issues | 18 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 16 |
| Registration plate lamp issues | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 9 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 8 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 7 |
| Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Brakes imbalanced across an axle | 6 |
| Central Rear Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 5 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |