| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 544 |
| Registration plate issues | 384 |
| Windscreen wiper does not clear the windscreen effectively | 351 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 141 |
| Anti-lock braking system warning lamp indicates an ABS fault | 88 |
| Brake pipe excessively corroded | 71 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 67 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 65 |
| Windscreen washer not working | 61 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 59 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 57 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 56 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 55 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 53 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 51 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 48 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 38 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 37 |
| Registration plate lamp issues | 36 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 33 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 31 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 31 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 31 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 31 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 28 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Steering rack insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 26 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 26 |
| Windscreen has damage | 25 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 24 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 21 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 21 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 19 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 18 |
| Offside Headlamp not working on main beam |1.7.5a| | 16 |
| Steering rack insecure (2.1.3 (a) (i)) | 16 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 14 |
| Brakes imbalanced across an axle | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Headlamp not working on main beam |1.7.5a| | 13 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 12 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 11 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 11 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |