| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 315 |
| Windscreen washer not working | 69 |
| Headlamp aim out of alignment | 58 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 39 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Registration plate lamp issues | 12 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 9 |
| Horn not working (7.7 (a) (ii)) | 8 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Horn not working (7.7 (a)) | 7 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Central Rear Seat belt buckle damaged (7.1.2 (d)) | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 5 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Brakes imbalanced across an axle | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Horn sound not in accordance with requirements (7.7 (c)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Central Seat belt buckle not functioning as intended (7.1.2 (d)) | 2 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |