| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1099 |
| Headlamp aim out of alignment | 378 |
| Registration plate lamp issues | 263 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 84 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 76 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 76 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 68 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 68 |
| Windscreen washer not working | 44 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 40 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Registration plate issues | 34 |
| Anti-lock braking system warning lamp indicates an ABS fault | 33 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 31 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 30 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Front brake disc in such a condition that it is seriously weakened | 23 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 22 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 22 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 19 |
| Rear brake disc in such a condition that it is seriously weakened | 19 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 17 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Horn not working (7.7 (a)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 13 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Offside Front Headlamp aim unable to be tested (4.1.2 (b)) | 13 |
| Nearside Headlamp insecure (4.1.1 (c)) | 12 |
| Brakes imbalanced across an axle | 12 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 12 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 11 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 11 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 11 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 10 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 10 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Headlamp insecure (4.1.1 (c)) | 7 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 7 |
| Brake performance unable to be tested (1.2.1 (g)) | 7 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 7 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Offside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 7 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |