| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 994 |
| Headlamp aim out of alignment | 746 |
| Registration plate lamp issues | 338 |
| Horn not working (7.7 (a)) | 309 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 193 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 180 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 174 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 154 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 146 |
| Windscreen washer not working | 125 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 120 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 99 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 90 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 77 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 51 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 38 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 37 |
| Rear brake disc in such a condition that it is seriously weakened | 36 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 35 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 34 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 30 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 29 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Registration plate issues | 25 |
| Brakes imbalanced across an axle | 24 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 23 |
| Offside Front Headlamp aim unable to be tested (4.1.2 (b)) | 22 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 22 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 22 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 21 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 19 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 18 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Nearside Front Seat belt buckle not functioning as intended (7.1.2 (d)) | 16 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 15 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 14 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 13 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 13 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Nearside Headlamp insecure (4.1.1 (c)) | 11 |